Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9e37b151995a232…

MALICIOUS

PDF

20.3 KB Created: 2021-06-25 15:49:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 07bfb192264c40b8023b50284f5fb7aa SHA-1: b02451657183fd2418380bad66652645136e883d SHA-256: f9e37b151995a23263df2cc249d74717ab425e5ddf5f0ee1819f92243737df4f
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are related to 'free Robux' or 'Coin Master spins'. The ML classifier and the PDF_SEO_LINK_FARM heuristic indicate a high likelihood of malicious intent, likely a scam or phishing operation. The embedded URLs suggest the document is designed to redirect users to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.co/app/431946152/epic-game-free-liggiy-robux-game-hack PDF link annotation
    • http://library.atim.ac.id/repository/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/microsoft-roblox_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/all-roblox-games-that-actually-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-spins-today-new_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/robux-free-hack-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-redeem-card-codes-free_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/dll-for-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-vietnam-2021-aimbot-hack_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-robux-come_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-free-pet-scam_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-robux-google-chrome-extension_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-robux-no-hack-no-download_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-change-your-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/real-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-minecraft-windows-10-account_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-hack-itfunneh-roblox-acc_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-get-an-egtv-tshirt-for-free-no-robux_GM431946152.pdfIn PDF document text

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