Malicious PDF — malware analysis report

Static analysis result for SHA-256 70ad36ce206bc090…

MALICIOUS

PDF

36.1 KB Created: 2021-06-20 12:40:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 988cb549d7a2d2d189057e724b37731a SHA-1: 80419e851fbcd4a4997b03af7541b43dcf9f916f SHA-256: 70ad36ce206bc09016777a0ffa39a2e55c057925cfe3afc793e585ef56be2e22
102 Risk Score

Malware Insights

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

The PDF document contains numerous links to external websites, many of which are structured as SEO link farms for game cheats and exploits. The document body itself contains a primary URL pointing to a download for 'how-to-noclip-roblox-with-cheat-engine-game-hack', suggesting a lure for users seeking unauthorized game modifications. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

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.co/app/431946152/how-to-noclip-roblox-with-cheat-engine-game-hack
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-bloxburg-money-on-roblox_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/roblox-free-angel-wings_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/roblox-vip-server-hack_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/roblox-hack-game_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/hack-rrobux-infinitos-en-roblox-pastebin_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7/repository/survey-information-sheet-for-free-robux_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/how-to-hack-a-roblox-account-easy_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/bit-ly-coin-master-hack_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7//repository/how-to-minecraft-for-free_GM479516143.pdf
    • http://opac.salatigakota.go.id/slims7/repository/how-to-get-free-robux-by-inspekting_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/coin-master-free-spinv1-0apkpure-com-apk_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7/repository/all-free-roblox-games_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/coin-master_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7/repository/bleu-roblox-exploit-download-free_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/hack-coin-master-apk-2021_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7//repository/how-to-buy-robux-for-free_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/daily-coin-master-free-spin-link_GM406889139.pdf
    • http://opac.salatigakota.go.id/slims7/repository/roblox-glitch-through-walls-hack_GM431946152.pdf
    • http://opac.salatigakota.go.id/slims7//repository/free-minecraft-account_GM479516143.pdf
    • http://opac.salatigakota.go.id/slims7/repository/how-does-roblox-know-if-you-are-hacking_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003483.bin
9131ba33405df2f10de389ad047855a82dd24311e8ac21b31245e9bb0a488fff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3483 22640 bytes
font_01_sfnt_off000066f0.bin
401e8a2ad3ba103a36fa66473f59496342a63c69c9105d0164025d1e2eb66ce8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66F0 19412 bytes

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