Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6228c2e081b1518…

MALICIOUS

PDF

35.0 KB Created: 2021-07-04 13:12:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 7079b49829dddfd3583e219d27203434 SHA-1: 8391759c05a81dab4463a17882dff6069dcf2981 SHA-256: e6228c2e081b151821268c4c1c92f78e49629cbeb00d798f783f17b8c77345a3
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

This PDF document contains numerous links to external websites, many of which are hosted on domains suggesting the distribution of game hacks and cheats. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of such links, and the ML classifier strongly suggests maliciousness. The document body itself contains references to game hacks and URLs, reinforcing the lure to download or access potentially harmful content.

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/431946152/roblox-assassin-game-hack
    • http://otomasi.stikesmuhgombong.ac.id/repository/coin-master--hack_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/coin-master-3rd-village-free-2021-gift-card_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/coin-master-free-spins-hack-iphone_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/adidas-roblox-t-shirt-free_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/free-robux-real-working_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/how-do-you-get-free-stuff-in-roblox_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/coin-master-online-hack-no-human-verification_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/roblox-hack-blox-piece_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/how-to-get-free-pubg-uc-without-human-verification_GM1330123889.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/how-to-get-free-spins-on-coin-master-blogspot_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/how-to-get-free-robux-2021-generator_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/easy-robux-today-com_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/hack-the-game-coin-master_GM406889139.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/free-robux-hack-no-download-2021_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/programa-para-hackear-usuuarios-de-roblox_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id//repository/how-to-get-free-robux-without-surveys_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/robux-hack-free-robux_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/free-minecraft-codes_GM479516143.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/growbux-free-robux-app_GM431946152.pdf
    • http://otomasi.stikesmuhgombong.ac.id/repository/how-to-get-free-robux-no-scam_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031c0.bin
74392afa08e020686ac9296fef65d8d3f2f7adb3fa9ade59dcb11ba66b12509e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31C0 22848 bytes
font_01_sfnt_off000064f5.bin
487c57aab2c14b77de6ae94f075bf8bf3a9026a86e5e74f635a4f191a7fd8b96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64F5 18608 bytes

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