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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 · Made in Finland 🇫🇮

Status

Algorithm v2.34.4

Tool profile

Foxit

Foxit 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 this tool’s share of the HTPBE? corpus.

Modification rate
88%+40pp above baseline
Corpus baseline: 48%
Corpus share
0.10%
Share of all analyzed appearances
Modification rate
88%
+40pp above baseline
Role split
25%C/75%P
Creator vs Producer share of appearances

Corpus profile

How Foxit shows up in HTPBE? corpus

Foxit is a desktop and SDK PDF editor product used both legitimately and as a generic re-saver of existing PDFs.

Contextual signal: Foxit as latest Producer on an institutional-Creator document indicates an end-user edit pass.

The signal
Contextual signal: Foxit as latest Producer on an institutional-Creator document indicates an end-user edit pass.

Role in the workflow

How Foxit 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 · 25%
As Producer · 75%P
CAs Creator
  • Share of appearances
    25%
  • Modification rate
    100%
  • Avg file size
    132 KB
PAs Producer
  • Share of appearances
    75%
  • Modification rate
    83%
  • Avg file size
    531 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 Foxit in the wild. All are merged into the same canonical profile.

Foxit Quick PDF Library 15.11 (www.debenu.com)37.5%
Foxit PDF Editor Printer Version 2024.4.0.1606725.0%
Foxit Reader - Foxit Software Inc.12.5%
Foxit GSDK - Foxit Software Inc.12.5%
Foxit PDF Editor Printer Version 11.2.0.453512.5%

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
Foxit Quick PDF Library 15.11 (www.debenu.com)
37.5% of appearances
Variant spread
5 distinct strings
Long-tail share: 62.5%
Observed range
30.09.2019 → 19.04.2026

Distributions

What ships alongside Foxit

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

PDF versions written

Most output is PDF 1.7 (100% of files where Foxit is the Producer).

PDF 1.7100.0%

Related profiles

Tools you’ll see next to Foxit

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

P13% co-occurrence
airSlate
Corpus share0.6%
Mod rate13%

Long tail

Notable observations

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

Avg pages per document
9.5
Oldest observed
30.09.2019 — almost 7 years ago

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