Malicious PDF — malware analysis report

Static analysis result for SHA-256 374bb78736c4e2ea…

MALICIOUS

PDF

35.4 KB Created: 2021-07-03 21:39:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 1d944105689e402723528d868eaa4dfb SHA-1: aaa80be218af55ed9dbe698e2f9c2c08fc4913d7 SHA-256: 374bb78736c4e2ea5e91078b35f512d54ce647aa3c6a4e5576fa6a89e2fd9247
82 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and a call-to-action button, strongly suggesting a lure to download potentially malicious applications. The document body and URLs indicate a focus on game-related cheats and hacks, such as 'Coin Master Mod Apk Hack' and 'Roblox exploits'. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests that the document may be intended to trick users into providing passwords for encrypted payloads, further indicating a malicious intent to bypass security controls.

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.tw/app/406889139/coin-master-mod-apk-hack-game-hack
    • http://daskrimti-jabar.web.id/library/repository/free-realistic-minecraft-texture-packs_GM479516143.pdf
    • http://daskrimti-jabar.web.id/library/repository/da-hood-speed-hacks-roblox-exploit_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library//repository/free-minecraft-account-and-password-2021_GM479516143.pdf
    • http://daskrimti-jabar.web.id/library/repository/bowtie-free-roblox_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library//repository/free-spins-on-coin-master-iphone_GM406889139.pdf
    • http://daskrimti-jabar.web.id/library//repository/websites-that-give-free-robux_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library/repository/how-to-get-admin-with-cheat-engine-roblox_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library/repository/roblox-free-robux-no-verification-2021_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library/repository/roblox-jailbreak-how-to-get-money-free_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library//repository/roblox-hack-unlimited-robux_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library//repository/coin-blogspot_GM406889139.pdf
    • http://daskrimti-jabar.web.id/library//repository/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdf
    • http://daskrimti-jabar.web.id/library/repository/artmoney-hack-roblox_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library/repository/free-unlimited-no-wait-robux-february-2021_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library/repository/hack-roblox-free-builders-club_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library/repository/free-robux-and-tickets-2021_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library/repository/daily-coin-master-free-spins_GM406889139.pdf
    • http://daskrimti-jabar.web.id/library//repository/free-account-roblox-2021_GM431946152.pdf
    • http://daskrimti-jabar.web.id/library//repository/free-spin-coin-master-link-2021_GM406889139.pdf
    • http://daskrimti-jabar.web.id/library/repository/hoodie-t-shirt-roblox-free_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003376.bin
a9a80820f91fda08256ec0bf9a11d925540a48e64deae2868feaaa4ffa40168a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3376 23088 bytes
font_01_sfnt_off0000677a.bin
6f7a3771de7e76f6a30eccfe6de97210a9aaee265036d39eb3e49971bc7f02bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x677A 18352 bytes

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