Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ea1a4ba0006ac82…

MALICIOUS

PDF

2.5 KB Created: 2021-06-13 20:24:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 3f5e3543e69c11759764c833e3486df6 SHA-1: 17ab4c783adf40ccf75af7f8d713985379ad619f SHA-256: 2ea1a4ba0006ac82b3b225cead6f771f4d3d67d1d3b660800153364df56f56ff
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link that is identified as a malicious redirector, specifically luring users with the promise of a 'free generator / game hack'. The embedded URL directs to netcdn.co, which is flagged as malicious infrastructure. This suggests the document's primary purpose is to redirect users to a potentially harmful site, likely for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9740

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 http://netcdn.co/app/431946152/free-roblox-customization-game-hack In PDF document text

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