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HTPBE?

Structural PDF tamper detection API. Catches edits your KYC stack misses.

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Status

Algorithm v2.48.3

Tool profile

OpenOffice

OpenOffice reads as a institutional generator — its modification rate in our corpus does not sit meaningfully above the baseline. The name alone is never the verdict; each file is judged on its own structure.

Back to all statistics
Forensic verdict

Legitimate origin

Based on this tool’s share of the HTPBE? corpus.

Modification rate
40%-9pp below baseline
Corpus baseline: 49%
Corpus share
0.10%
Share of all analyzed appearances
Modification rate
40%
-9pp below baseline
Role split
0%C/100%P
Creator vs Producer share of appearances

Corpus profile

How OpenOffice shows up in HTPBE? corpus

OpenOffice (the legacy predecessor of LibreOffice) also exports PDF directly.

OpenOffice appears on office documents from the legacy suite. HTPBE? never reads a tool name in isolation.

The signal
OpenOffice appears on office documents from the legacy suite.

Reading guide

How to read this page

Every PDF stores two software labels: the Creator, which names the application that first produced the document, and the Producer, which names the software that last wrote the file out. This page counts the files HTPBE? has analysed where OpenOffice fills one of those labels, and shows how often those files carry modification markers, which PDF versions they use and which other tools sit next to them.

A tool name tells you where a file passed through, not whether anyone changed its content. A Creator and Producer that agree usually point to a single pass; a Producer that differs from the Creator means the file was written out again by another program, which has many ordinary explanations such as compression, merging or a print-to-PDF step.

Caveats

  • Only 10 files list OpenOffice, so every percentage here moves a lot with each additional file.
  • The statistics describe files HTPBE? analysed. They are not a judgement of the quality or trustworthiness of OpenOffice.
  • Submitted files lean towards documents that someone wanted checked, so rates here can sit higher than in everyday document flows.
  • Metadata can be rewritten by anyone, so a producer name on its own is never treated as proof either way.
Read a PDF’s metadata for freeAll tool statisticsCreator vs Producer explainedPDF metadata fields referenceCheck PDFs through the API

Role in the workflow

How OpenOffice shows up in metadata

Every PDF carries a Creator (the application that produced the original document) and a Producer (the engine that wrote the PDF). The same tool can appear in either slot, with very different modification profiles.

CAs Creator · 0%
As Producer · 100%P
CAs Creator
  • Share of appearances
    0%
  • Modification rate
    0%
PAs Producer
  • Share of appearances
    100%
  • Modification rate
    40%
  • Avg file size
    84 KB

How to read this

The Creator slot typically reflects where a document started life. The Producer slot reflects whatever wrote the final file, which is not always the same software.

A higher modification rate as Producer than as Creator usually means the tool is acting as a re-saver on documents that originated elsewhere. A higher rate as Creator points to fragile workflows around the original authoring app.

Name fingerprints

Also goes by

Different version strings and spellings observed for OpenOffice in the wild. All are merged into the same canonical profile.

OpenOffice 4.1.1140.0%
OpenOffice.org 2.120.0%
OpenOffice 4.1.1020.0%
OpenOffice 4.1.1610.0%
OpenOffice 4.1.12; modified using iText 4.2.0 by 1T3XT10.0%

Why variants matter

The same tool publishes itself under 5 different metadata strings – version bumps, locale tags, build IDs. We canonicalize them so the corpus reflects one identity, not noise.

Most common
OpenOffice 4.1.11
40.0% of appearances
Variant spread
5 distinct strings
Long-tail share: 60.0%
Observed range
23.02.2007 → 12.08.2026

Distributions

What ships alongside OpenOffice

The PDF versions OpenOffice writes when acting as Producer, and the other tools that appear in the same documents.

PDF versions written

Most output is PDF 1.4 (100% of files where OpenOffice is the Producer).

PDF 1.4100.0%

Common Creators when OpenOffice is the Producer

LibreOffice Writer sits upstream in 80% of cases — read this row as “what kinds of documents end up routed through OpenOffice.”

LibreOffice Writer80.0%
LibreOffice Draw20.0%

Related profiles

Tools you’ll see next to OpenOffice

Other tools that frequently share metadata with OpenOffice in the same documents. Each card links to its own forensic profile.

C80% co-occurrence
LibreOffice Writer
Corpus share0.17%
Mod rate63%
C20% co-occurrence
LibreOffice Draw
Corpus share0.12%
Mod rate21%

Long tail

Notable observations

Smaller cuts of the OpenOffice corpus – useful context, but treat each row as a single data point rather than a strong signal.

Avg pages per document
1.8
Oldest observed
23.02.2007 — over 19 years ago

FAQ

OpenOffice in PDF metadata: common questions

What is OpenOffice?

OpenOffice (the legacy predecessor of LibreOffice) also exports PDF directly.

Why does OpenOffice appear in the metadata of a PDF?

A PDF can record the software that created it (Creator) and the software that last wrote the file out (Producer). When OpenOffice generated the file, or re-saved it, it can leave its name in one of those fields. The field is filled in by software, not checked by anyone, so it is a hint about the file’s history rather than a guarantee.

Does OpenOffice in the metadata mean the PDF was edited?

No. A producer name alone proves nothing about whether a document was changed. Many OpenOffice files are original output, and a file that was edited can name any tool at all. What matters is the whole picture: how the file is built, how its dates and structure line up, and whether the Creator and Producer fit together.

How should I read the OpenOffice statistics?

The figures describe the 10 files in the HTPBE? corpus that list OpenOffice as Creator or Producer. The modification rate is the share of those files that carry modification markers. It is a base rate for this particular set of files, not a property of OpenOffice and not a prediction for any single document.

Can I compare OpenOffice with other tools using these numbers?

Only loosely. The corpus consists of PDFs people chose to submit for checking, which skews towards documents someone had a reason to doubt. A tool popular for legitimate bulk output can still show a high rate here, and a rarely seen tool can show an extreme rate from a handful of files. These pages are not a quality ranking of the tools themselves.

How do I check a PDF that lists OpenOffice?

Upload it to HTPBE? for a modification check, or open it in the free PDF Metadata Viewer to see the Creator, Producer and dates stored in the file. The same check is available through the HTPBE? API.

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