Malicious PDF — malware analysis report

Static analysis result for SHA-256 0955473a5a324c32…

MALICIOUS

PDF

15.0 KB Created: 2021-06-18 05:08:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 89f5f81985527927c8e66ad11f750693 SHA-1: 295845af886997fec84c7acf52bd369a1e882737 SHA-256: 0955473a5a324c327b039f86fb7bebc54860ea7bd1e47a5e748da95038f92436
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links disguised as offers for free in-game currency and hacks, a common social engineering tactic. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm designed to attract users through search engines. The ML classifier also strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of numerous external links and the nature of the lures suggest the document is designed to redirect users to potentially malicious sites for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9937

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/free-robux-username-and-password-game-hack
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-get-1-million-robux-for-free-2021_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-actually-get-free-robux_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-robux-generator-no-human-verification_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-robux-no-human-verification-2021_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-hack-coin-master-using-es-filer_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/coin-master-free-spins-and-free-coins_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/roblox-hack-generator_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-coin-master-spin-app_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-robux-no-survey-no-download-2021_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/coin-master-free-cards-link_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/coin-master-daily-rewards-link_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-coins-coin-master-blog_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-spins-coin-master-unlimited_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/roblox-weight-lifting-simulator-2-hack-script-download_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/coin-master-free-daily-spins_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/roblox-hack-2021-get-free-robux_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-get-hacks-on-roblox_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-hack-a-roblox-account-easy_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/coin-master-free-spins-daily_GM406889139.pdf

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