Malicious PDF — malware analysis report

Static analysis result for SHA-256 06a00f249a72ee4f…

MALICIOUS

PDF

36.2 KB Created: 2021-07-05 13:40:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ab300425045bf7aa6082bd6f336ab5ca SHA-1: 56087306b12204e60c6c6a039653d5c6809eb290 SHA-256: 06a00f249a72ee4f662bf1be039792f8a40877848cc439cea41fe6fb920d80e0
102 Risk Score

Malware Insights

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

The PDF document contains numerous embedded links, many of which are related to game hacks and cheats for popular games like Roblox. The presence of a link farm and a high ML classifier score indicate malicious intent. The document likely serves as a lure to direct users to malicious websites for downloading malware or engaging in phishing.

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/is-roblox-free-on-nintendo-switch-game-hack
    • http://opac.salatigakota.go.id/slims7/repository/how-to-make-hack-roblox_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/rxgate-cf-free-robux-generator_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/free-builders-club-roblox-2021_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/free-draw-2-roblox_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/cheats-to-roblox-to-get-free-robux_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-robux-in-roblox-for-free-2021_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/roblox-cheat-zombie-rush_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/field-of-battle-roblox-hacks-full-lua_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/free-robux-generator-no-quiz_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/300-free-spins-coin-master_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7/repository/redline-cheat-roblox-download-lumber-tycoon-2_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/free-robux-with-no-verification-2021_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-robux-website-and-group_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/how-to-change-your-username-on-roblox-for-free-2021_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/games-with-free-radio-roblox_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/instant-hack-roblox_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-hack-2021_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-heaven-daily-free-spins_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7/repository/ar-hacks-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034a1.bin
898cca28ab0f5e91179f3eb4d7f87074fa7f2b8cf50af4486451a54f7ef26e31		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34A1 22824 bytes
font_01_sfnt_off00006792.bin
207512dbd05d1b3c713ef1abc698c126202e51ea4af98bfb6c4cd126f0304229		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6792 19376 bytes

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