Malicious PDF — malware analysis report

Static analysis result for SHA-256 2768118d71608618…

MALICIOUS

PDF

34.6 KB Created: 2021-06-28 15:43:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a0857628c814915e0c7fd26c2a2a8612 SHA-1: 95bf3906e2a2a677714f0f4f033b9137fad2ac8d SHA-256: 2768118d716086188d372a83f550c49ea2f79153b4429435d79ee03a08c979f9
82 Risk Score

Malware Insights

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

This PDF document contains numerous embedded URLs and a document body that promotes free Robux and game hacks, indicating a lure for users to download malicious content. The presence of a "password-protected archive handoff" heuristic suggests the downloaded content may be encrypted to evade initial security checks. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.co/app/431946152/free-robux-sites-no-verification-game-hack
    • http://library.imz.or.id/repository/free-robux-no-scam-or-password_GM431946152.pdf
    • http://library.imz.or.id/repository/roblox-fly-hack-script_GM431946152.pdf
    • http://library.imz.or.id/repository/cheat-files-download-roblox_GM431946152.pdf
    • http://library.imz.or.id/repository/descargar-hacks-para-roblox-jailbreak_GM431946152.pdf
    • http://library.imz.or.id/repository/roblox-game-pass-hack-2021_GM431946152.pdf
    • http://library.imz.or.id/repository/sentinel-roblox-hack_GM431946152.pdf
    • http://library.imz.or.id/repository/upload-audio-free-roblox_GM431946152.pdf
    • http://library.imz.or.id/repository/how-to-get-free-robux-from-the-robux-page_GM431946152.pdf
    • http://library.imz.or.id/repository/hacks-on-roblox-broken-bones_GM431946152.pdf
    • http://library.imz.or.id/repository/minecraft-hacks-18-9_GM479516143.pdf
    • http://library.imz.or.id/repository/get-free-robux-no-human-verification_GM431946152.pdf
    • http://library.imz.or.id/repository/daily-free-spins-for-coin-master_GM406889139.pdf
    • http://library.imz.or.id/repository/free-robux-exe_GM431946152.pdf
    • http://library.imz.or.id/repository/50-free-spins-coin-master_GM406889139.pdf
    • http://library.imz.or.id/repository/free-school-campus-roblox_GM431946152.pdf
    • http://library.imz.or.id/repository/free-decals-for-roblox-work-at-a-pizza-place_GM431946152.pdf
    • http://library.imz.or.id/repository/get-free-cards-coin-master_GM406889139.pdf
    • http://library.imz.or.id/repository/freer-pro-tiktok-fans_GM835599320.pdf
    • http://library.imz.or.id/repository/coin-master-free-spins-ios_GM406889139.pdf
    • http://library.imz.or.id/repository/roblox-ultimate-driving-westover-islands-how-to-get-free-cars_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f77.bin
952c471d509d5155667c755fd10873eaa23417f6bac2f08bf763874bd806cf7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F77 22544 bytes
font_01_sfnt_off000061e0.bin
aeaeadd180199032e52b6b88d919d6cfceb904b568fc6ac9818d6b9bd53cb86f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61E0 19072 bytes

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