Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ca12c429636a184…

MALICIOUS

PDF

16.0 KB Created: 2021-05-22 16:13:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 390f7b7520fa51b412d9e09951e8b7b6 SHA-1: 640f0c66c8057be56300741edad06e8958e6937c SHA-256: 7ca12c429636a184f618c27f8d19bd3b19bba8c78dfb1ab19ff0bbd23aee5be8
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to malicious infrastructure, specifically advertising a 'free generator / game hack' for Robux. The ML classifier also flagged this PDF as malicious. The document body and embedded URLs strongly suggest a phishing or scam attempt to lure users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9254

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/431946152/rbx-free-robux-game-hack In PDF document text
    • http://g3galileo.com/images/coin-master-free-spins-link-no-verification-2021_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/coin-master-free-spins-and-coins-without-human-verification_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • http://g3galileo.com/images/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://g3galileo.com/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text

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