Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f643d8bdab14e91…

MALICIOUS

PDF

5.3 KB Created: 2021-06-03 13:44:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 67ff38e8bbe6506e37e4115c298130cc SHA-1: 25aba42c9fad62582d9de24a4d4c4983ac0d02d0 SHA-256: 7f643d8bdab14e91e668de6cf12958974c0626f2a3e773fd0dab2c585b04c970
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a link that directs users to a malicious website disguised as a game hack generator. This lure is designed to trick users into clicking the link, leading them to potentially harmful content or further malicious redirects. The ML classifier strongly indicates maliciousness, and the embedded URL is associated with known malicious redirector infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9733

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.online/app/406889139/coin-master-hack-2021-no-survey-game-hack In PDF document text

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