Malicious PDF — malware analysis report

Static analysis result for SHA-256 b27eb8dc894e959e…

MALICIOUS

PDF

974 B Created: 2021-05-11 04:32:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 9e54a3f7385d52edf10c50b4269ac644 SHA-1: 0b3154eb5c0cf57b1c8a820761f1425c86bc307c SHA-256: b27eb8dc894e959e12d137db687d4abcf9ad4986ae224ecfe77cf08923b3dc0d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link disguised as a lure for free game hacks, which is a common social engineering tactic. The embedded URL points to known malicious redirector infrastructure, suggesting it's intended to lead the user to a harmful site. No scripts were extracted, but the primary attack vector appears to be a phishing lure leading to a malicious redirect.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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/free-roblox-intros-game-hack In PDF document text

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