Malicious PDF — malware analysis report

Static analysis result for SHA-256 56906640ade216d2…

MALICIOUS

PDF

3.9 KB Created: 2021-05-11 08:44:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8de3addaa8b0d856f1169721394a1507 SHA-1: 6ddda8bc706d9844449ab721f94c5d5409805378 SHA-256: 56906640ade216d2a9aaa2d89bfc51adb0c1314a1623a6003579c36cd99ef83b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a link that promises a hack for the game Coin Master, a common lure for malicious content. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent. The embedded URL likely leads to a site designed to distribute malware or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9872

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/406889139/2021-no-human-verification-hack-for-coin-master-game-hack In PDF document text

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