Malicious PDF — malware analysis report

Static analysis result for SHA-256 14872ec0a96ab2a6…

MALICIOUS

PDF

55.5 KB Created: 2021-07-05 21:24:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: d8c94aab5ac3bb1da76c213d6761de22 SHA-1: beb5b382b9c960f14daf0691601304d8de41b266 SHA-256: 14872ec0a96ab2a6deb976dc09416332df13eb8926a3e4d91414c20b2867ae07
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a lure related to Pokemon Go, directing users to a URL associated with malicious redirectors. The heuristic firings indicate this is a critical finding, suggesting the primary goal is to redirect users to potentially harmful content. No scripts were extracted from this sample, but the embedded URL is a high-priority indicator.

Machine Learning

  • Nyx PDF Classifier clean score 0.1605

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/how-to-get-pokecoins-in-pokemon-go-free-game-hack In PDF document text

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