Malicious PDF — malware analysis report

Static analysis result for SHA-256 b03c91e870e3852f…

MALICIOUS

PDF

12.2 KB Created: 2021-05-19 18:43:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 967898277c32dfd9a9a28bf023a4dc05 SHA-1: 83afdc82edbc50aa15c993155d8b2d4d7f6b78dc SHA-256: b03c91e870e3852f8ce34592abec46dfcba2e015eb1f9bd70ed04424c5a12a77
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites, including one explicitly labeled as a 'free generator / game hack'. These links likely serve as a lure to redirect users to malicious sites. While no scripts were directly extracted, the PDF structure and embedded URIs suggest an attempt to exploit user interest in free game-related content to drive traffic to potentially harmful destinations.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector high 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/no-robux-game-hack PDF link annotation
    • http://korporacjaroma.pl/images/minecraft-games-free-download_GM479516143.pdfIn PDF document text
    • http://korporacjaroma.pl/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://korporacjaroma.pl/images/free-roblox-toy-codes_GM431946152.pdfIn PDF document text
    • http://korporacjaroma.pl/images/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://korporacjaroma.pl/images/coin-master-35-16-hack-apk_GM406889139.pdfIn PDF document text
    • http://korporacjaroma.pl/images/coin-master-hack-version-33-2_GM406889139.pdfIn PDF document text
    • http://korporacjaroma.pl/images/roblox-sexually-abused_GM431946152.pdfIn PDF document text
    • http://korporacjaroma.pl/images/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • http://korporacjaroma.pl/images/free-spins-for-coin-master-without-human-verification_GM406889139.pdfIn PDF document text

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