Malicious PDF — malware analysis report

Static analysis result for SHA-256 94ad98a6cbed008b…

MALICIOUS

PDF

10.7 KB Created: 2021-05-11 08:06:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: aa74e01ef190ea3b950850929e323183 SHA-1: 47bb486c1b5b5e64813c0e0bb4fc9449e1b33115 SHA-256: 94ad98a6cbed008b2bf6bc425ee0832638d30b6c3bf2b23172f34883b594eb81
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to malicious infrastructure, masquerading as game hacks or free item generators. The primary link directs to a URL associated with known malicious redirectors, suggesting an attempt to lure users to a compromised site. No scripts were extracted, but the presence of embedded URLs and the ML classifier's high confidence indicate a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 3

  • 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.
  • 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/coin-master-hoe-to-get-extra-free-spins-game-hack In PDF document text
    • http://androidthai.in.th/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://androidthai.in.th/images/aimbot-exe-roblox_GM431946152.pdfIn PDF document text

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