Malicious PDF — malware analysis report

Static analysis result for SHA-256 e45e9d0918c92c1d…

MALICIOUS

PDF

33.5 KB Created: 2021-07-04 13:43:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: cc2c33653b72db06bdffc00cb127e337 SHA-1: a12cdef47234ba4434d9cdad87bc13c04f019fe6 SHA-256: e45e9d0918c92c1d9ba3883f25b27c4fa95a59e0f34662b3c8abe53c9831e18d
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains numerous links to external websites, many of which are structured as SEO-optimized PDF files related to game hacks and free in-game currency. The presence of a direct link to 'minecraft-java-account-free-game-hack' and the ML classifier's high confidence score indicate a malicious intent to lure users to potentially harmful content. The document's structure and content strongly suggest it is part of a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/479516143/minecraft-java-account-free-game-hack
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/how-to-get-free-robux-on-chromebook_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/pokemon-go-free-balls-code_GM1094591345.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id/repository/coin-master-game-hacking_GM406889139.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id/repository/coin-master-free-spins-link-blogspot-today_GM406889139.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id/repository/free-coin-master-spin-app_GM406889139.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/how-to-log-out-of-coin-master_GM406889139.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/how-to-get-free-coins-in-coin-master_GM406889139.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/how-to-hack-roblox-for-robux_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/300-free-spins-coin-master_GM406889139.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/free-robux-not-fake_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/wurst-18_GM479516143.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id/repository/wahoo-gaming-co-free-robux_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/free-robux-hack-no-human-verification-or-survey_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/getrobux-now_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id/repository/how-to-get-free-robux-fast_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/rblx-city-free-robux_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id/repository/free-coin-master-app_GM406889139.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id/repository/getrobux-come_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/mobihack-roblox-hack_GM431946152.pdf
    • http://perpus.poltekkes-tanjungpinang.ac.id//repository/coin-master-hack-online-pc_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fa5.bin
b91e41052658c05a9fd86b1ae2beb89708c4421ec5db9ef532ffc76e38fd7682		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA5 21976 bytes
font_01_sfnt_off00005fab.bin
4a74c40a1b1e29c96944a4022887c367d8badab26ac77df303b82089cac1792a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FAB 18420 bytes

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