Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfd2a31bfe72293f…

MALICIOUS

PDF

24.4 KB Created: 2021-05-19 15:06:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: c1b3b9345236817a20ec9c0d06b131a3 SHA-1: 9a65ff21bc4689259cc3116d0078b68fe3b07ad8 SHA-256: bfd2a31bfe72293fb9cd45e20e7916cd3ce557cb7354ccb52fbfa77cf8662db8
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic firing for a 'GAME_HACK_REDIRECT_LURE', indicating it directs users to a site offering game hacks. The primary URL, https://netcdn.xyz/app/835599320/why-is-tiktok-free-game-hack, supports this lure. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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/835599320/why-is-tiktok-free-game-hack PDF link annotation
    • http://bit-sky.com/images/hack-coin-master-2021-pc_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/minecraft-hacked-client-112-2_GM479516143.pdfIn PDF document text
    • http://bit-sky.com/images/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/minecraft-free-download-ipad_GM479516143.pdfIn PDF document text
    • http://bit-sky.com/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-hack-spins_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/mcpe-master-unlimited-coins-hack-apk_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/rbx-roblox_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/free-roblox-money_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/free-links-coin-master_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-free-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/free-coin-spin_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-400-spin-link_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/minecraft-free-app_GM479516143.pdfIn PDF document text
    • http://bit-sky.com/images/coin-master-free-spins-link-download-apk_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/gamehunters-club-coin-master_GM406889139.pdfIn PDF document text
    • http://bit-sky.com/images/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://bit-sky.com/images/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text

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