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HTPBE?

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

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© 2024–2026 TMI Iurii Rogulia · VAT ID: FI29845875

Status

Algorithm v2.18.2

Tool profile

iLovePDF

iLovePDF reads as a downstream re-saver — it surfaces disproportionately on documents whose original Creator was a different, often institutional, application.

Back to all statistics
Forensic verdict

Anomaly profile

Based on 580 appearances across the HTPBE? corpus.

Modification rate
88%+40pp above baseline
Corpus baseline: 48%
Total appearances
580
2.8% of corpus
Modification rate
88%
+40pp above baseline
Role split
0%C/100%P
Creator vs Producer share of appearances

Corpus profile

How iLovePDF shows up in HTPBE? corpus

iLovePDF is a popular online PDF editor and toolkit (merge, split, edit, fill, sign). It is consumer-facing and operates by re-saving an uploaded PDF after the requested operation.

iLovePDF as Producer means the document was uploaded, processed, and re-emitted by the iLovePDF service. When iLovePDF is the latest Producer on a document whose original Creator was an institutional source (a bank statement, a payslip, a utility bill), the producer/creator mismatch is a marker we surface — alongside whatever incremental-update or signature-removal evidence the file carries.

The signal
iLovePDF as Producer means the document was uploaded, processed, and re-emitted by the iLovePDF service.

Role in the workflow

How iLovePDF 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
  • Usage
    0
  • Modification rate
    0%
PAs Producer
  • Usage
    580
  • Modification rate
    88%
  • Avg file size
    925 KB

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.

Name fingerprints

Also goes by

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

iLovePDF93.6%
www.ilovepdf.com6.4%

Why variants matter

The same tool publishes itself under 2 different metadata strings — version bumps, locale tags, build IDs. We canonicalize them so the corpus reflects one identity, not noise.

Most common
iLovePDF
93.6% of appearances
Variant spread
2 distinct strings
Long-tail share: 6.4%
Observed range
16 Dec 2021 → 4 May 2026

Distributions

What ships alongside iLovePDF

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

PDF versions written

Most output is PDF 1.7 (71% of files where iLovePDF is the Producer).

PDF 1.770.8%
PDF 1.624.1%
PDF 1.54.1%
PDF 1.41.0%

Common Creators when iLovePDF is the Producer

Microsoft Word sits upstream in 83% of cases — read this row as “what kinds of documents end up routed through iLovePDF.”

Microsoft Word83.3%
CorelDRAW4.8%
Adobe Photoshop4.8%
Office To PDF Conversion2.4%
Dropbox2.4%
Chrome (Print to PDF)2.4%

Related profiles

Tools you’ll see next to iLovePDF

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

C6% co-occurrence
Microsoft Word
Appearances2,091
Mod rate82%
C0% co-occurrence
CorelDRAW
Appearances23
Mod rate9%
C0% co-occurrence
Adobe Photoshop
Appearances45
Mod rate71%
C0% co-occurrence
Office To PDF Conversion
Appearances1
Mod rate100%
C0% co-occurrence
Dropbox
Appearances13
Mod rate62%

Long tail

Notable observations

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

Pages parsed
9,804
Oldest observed
16 Dec 2021 — over 4 years ago

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