Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd6778559e1d0c80…

MALICIOUS

PDF

2.5 KB Created: 2021-05-12 23:49:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 062a2cac47f9fb1078d9596069529f68 SHA-1: a27c30c7eba59788dd7d7ae870978f99e3eee7b4 SHA-256: bd6778559e1d0c80544b39ab2a10630e8996393fd2fec4f4ba1506c097946c09
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link that redirects to a malicious URL, disguised as a game hack. This lure is designed to trick users into visiting a potentially harmful website. The embedded URL and the heuristic firings strongly indicate a social engineering attack aimed at redirecting users to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9665

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-unlimited-free-spins-game-hack In PDF document text

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