Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c0423bc420127c1…

MALICIOUS

PDF

15.6 KB Created: 2021-07-03 13:02:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 02a8ca3bfa613c110d0ccf074b0e4641 SHA-1: a9597818f495005bdb345370fa5c80f5f24f0037 SHA-256: 7c0423bc420127c16f015eb08c0bbafb6aff1da1709133c775e5c2009bfea159
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic indicating it links to a game hack lure. The document body and extracted URLs reinforce this, pointing to sites offering 'free generators' and 'hacks' for popular games like Coin Master and Roblox. The primary URL, http://netcdn.tw/app/406889139/games-like-coin-master-game-hack, is the most direct indicator of the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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 http://netcdn.tw/app/406889139/games-like-coin-master-game-hack PDF link annotation
    • https://goodtools.tw/upload/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/roblox-lucky-block-hack-script_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/hack-rogue-roblox_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/generation-for-free-robux_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-robux-hack-generator-2021_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/roblox-fashion-frenzy-free-online_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/roblox-cheat-engine-bypass-sandbox_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/1-minute-free-robux_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/how-to-get-robux-without-paying-or-hacking_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/how-to-get-free-cash-in-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/points-for-free-robux_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-fast-money-robux_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/roblox-lua-programming-book-pdf-free_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text

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