Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bc0d0035673dfc7…

MALICIOUS

PDF

45.6 KB Created: 2021-06-11 05:31:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f49148f038e341ba78b7bf330b900e21 SHA-1: 36a79781a6b55b5ca8f5566a567498a979e95b68 SHA-256: 7bc0d0035673dfc7aa4cd43f13074770bfed1c6c59ca05636d7fdd6972616971
82 Risk Score

Malware Insights

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

The sample is a PDF document that displays a fake CAPTCHA or human verification prompt to trick the user into downloading a file. The document contains an embedded URI pointing to a URL associated with a Roblox hack, suggesting a lure for game cheats or exploits. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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 https://netcdn.tw/app/431946152/go-through-walls-roblox-hack-game-hack
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-download_GM406889139.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021-glitch_GM406889139.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-tiktok-likes-no-human-verification-or-survey_GM835599320.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-robux-gen_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/rbx-com_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-items-on-to-your-account_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-spins-coins_GM406889139.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/best-roblox-hacks_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/daily-coin-master-free-spins_GM406889139.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-minecraft-printables_GM479516143.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-roblox-shirts-template_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/robux-converter_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-minecraft-skins-girl_GM479516143.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/roblox-premium-free_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/how-to-get-a-lot-of-robux_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/coin-master-spin-and-coins-free_GM406889139.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-roblox-clothes_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/archery-master-3d-unlimited-coins-hack_GM406889139.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-robux-that-actually-works_GM431946152.pdf
    • http://elearning.man3majalengka.sch.id/__statics/gudangsoal/files/free-gifts-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000511b.bin
63e07ce990400417acfdc789a40b4a83854de6d327b66cc4577dd8295be06c07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x511B 26672 bytes
font_01_sfnt_off00008d97.bin
c7a52525481ad0a0a3829130d9d66015e599c48c251216120a067c781cd08d32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D97 18976 bytes

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