Malicious PDF — malware analysis report

Static analysis result for SHA-256 67aede3f10f49dab…

MALICIOUS

PDF

36.1 KB Created: 2021-05-17 15:33:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fd6b90b9af34d55ec7595e563f884b99 SHA-1: ed3c47df44aaefd06f24e455c2be361c4d60e821 SHA-256: 67aede3f10f49dab53406c88a1c7eb04a71f74a6fa2e36e4227488b0c3dfc38c
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that redirect to known malicious infrastructure, specifically advertising a "free generator / game hack". The document body also contains similar calls to action and the same URL. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or scam attempt designed to lead the user to a malicious website.

Machine Learning

  • Nyx PDF Classifier clean score 0.0283

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/406889139/get-free-coin-master-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003177.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3177 25844 bytes
SHA-256: 11daa099826d7c678bf81481f2ef0785f6887175e60649147cc594fa095ee5cc
font_01_sfnt_off00006d8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D8A 17712 bytes
SHA-256: 21945d37724c890dd621455a00f6108c8bb3199d41d839a53701429653b6b663