Malicious PDF — malware analysis report

Static analysis result for SHA-256 49b1606d8771dd9d…

MALICIOUS

PDF

133.2 KB Created: 2021-07-03 13:35:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27
MD5: a9b5e5b38e63bf5d9e02e1aefb80b1c0 SHA-1: a0be3edb8541f9072cdc2b8e744ce77ec324e210 SHA-256: 49b1606d8771dd9d743b1ec9f4cce076fa779c52cf17a36be8470a679c917d06
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a link disguised as a "free generator / game hack" for Pokemon Go. This link redirects to known malicious infrastructure, indicating a phishing or scam attempt. The file's structure and embedded URL suggest it's designed to trick users into visiting a potentially harmful site, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0077

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.tw/app/1094591345/ispoofer-pokemon-go-free-game-hack In PDF document text

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