Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa8bd69f25d8fabe…

MALICIOUS

PDF

35.1 KB Created: 2021-06-29 18:03:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 06ac140ee39337d1d9db479c5763fc9c SHA-1: 735f6e9d9029397135236bdf4fc7ee58486456d4 SHA-256: fa8bd69f25d8fabebcec3ee15cb6e47e8b430d00f231c4fd85c9757240159e4e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The document displays a fake CAPTCHA lure to entice users into clicking a download link for game cheats. The embedded URLs point to various game hacking tools and exploits, suggesting a phishing or social engineering attack. No scripts were extracted, but the document's structure and content strongly indicate a malicious intent to deceive the user into downloading potentially harmful files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/how-to-use-cheat-engine-6.3-on-roblox-speed-hack-game-hack PDF link annotation
    • http://digilib.akperkabpurworejo.ac.id/repository/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-robux-codes-giveaway_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/how-to-make-clothes-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-robux-javascript-hack-2021_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/how-to-hack-roblox-booga-booga_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/free-minecraft-thumbnails_GM479516143.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/robux-earner_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/coin-master-hack-apk-april-12-2021_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-robux-jpg_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/robux-hack-easy-2021_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/tiktok-free-views-2021_GM835599320.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-500k-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/how-to-make-time-freeze-in-roblox-free-admin-hangout_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-robux-hack-no-survey_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/hack-roblox-murder-mystery-2_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/how-to-get-scar-h-free-in-phantom-forces-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/free-roblox-tix-generator-download_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000301a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x301A 22264 bytes
SHA-256: fd9c0c5eb7adeffbbc67d2011d825cafd7d38f8af2f10d05e829847171bc7653
font_01_sfnt_off00006186.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6186 19968 bytes
SHA-256: b70ca554e504a46858ca1d99d43fbb2b3a7aa3727c2d8e56f4ec0308317421b2

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