Malicious PDF — malware analysis report

Static analysis result for SHA-256 3283ae5104246ae5…

MALICIOUS

PDF

7.8 KB Created: 2021-05-12 15:02:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 0ba45b020f3579029249e31b141d04fd SHA-1: 0166daa211e6a4463b744a0ce2c099285f6923ed SHA-256: 3283ae5104246ae5eb89d2c1d5cd8ebbcd5a233c474bb13c57e552bcb6cb7cb2
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link that is identified as a malicious redirector, specifically targeting users with a 'free generator / game hack' lure. This link leads to the URL https://netcdn.xyz/app/406889139/coin-master-hack-version-download-ios-game-hack, which is associated with malicious activity. The ML classifier also flagged this PDF with high confidence, supporting the malicious nature of the document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9904

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-hack-version-download-ios-game-hack In PDF document text

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