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HTPBE?

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

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Status

Algorithm v2.23.1

Tool profile

Office To PDF Conversion

Office To PDF Conversion appears on both legitimate first-generation output and downstream re-save flows — context (the other tool on the same document) is what flips the signal.

Back to all statistics
Forensic verdict

Mixed signal

Based on 1 appearance across the HTPBE? corpus.

Modification rate
100%+52pp above baseline
Corpus baseline: 48%
Total appearances
1
0.10% of corpus
Modification rate
100%
+52pp above baseline
Role split
100%C/0%P
Creator vs Producer share of appearances

Corpus profile

How Office To PDF Conversion shows up in HTPBE? corpus

Office To PDF Conversion is one of the PDF-handling tools surfaced in the HTPBE? corpus. Office To PDF Conversion appears predominantly as the original Creator (100% of its occurrences) — i.e. on documents that started life inside Office To PDF Conversion rather than passing through it as a downstream re-saver.

In the HTPBE? corpus the contextual signal we look for is a producer/creator mismatch: when Office To PDF Conversion appears as the latest Producer on a document whose Creator was an institutional source (e.g. Adobe PDF Library, Microsoft Word, a banking back-end), the document was rebuilt or re-saved after its original creation. That mismatch is the marker — never the tool itself.

On documents where Office To PDF Conversion acts as Creator, 100% carry modification markers; on documents where it acts as Producer, 0% do. These are observed rates inside the HTPBE? corpus and should be read as base-rates, not as accusations against Office To PDF Conversion or its users.

The signal
In the HTPBE? corpus the contextual signal we look for is a producer/creator mismatch: when Office To PDF Conversion appears as the latest Producer on a document whose Creator was an institutional source (e.g. Adobe PDF Library, Microsoft Word, a banking back-end), the document was rebuilt or re-saved after its original creation. That mismatch is the marker — never the tool itself.

Role in the workflow

How Office To PDF Conversion 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 · 100%
As Producer · 0%P
CAs Creator
  • Usage
    1
  • Modification rate
    100%
  • Avg file size
    26 KB
PAs Producer
  • Usage
    0
  • Modification rate
    0%

How to read this

The Creator slot typically reflects where a document started life. The Producer slot reflects whatever wrote the bytes — and is the field that gets overwritten when a PDF is opened, edited, and saved by a downstream tool.

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.

Related profiles

Tools you’ll see next to Office To PDF Conversion

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

P100% co-occurrence
iLovePDF
Appearances584
Mod rate88%

Long tail

Notable observations

Smaller cuts of the Office To PDF Conversion corpus — useful context, but treat each row as a single data point rather than a strong signal.

Pages parsed
1
Oldest observed
14 Feb 2026 — 3 months ago

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