PDF static analysis report

Static analysis result for SHA-256 cfb8b958d2d085a8…

SUSPICIOUS

PDF

33.4 KB Created: 2021-06-19 13:08:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4bf5be4405ff761ebc6f72f78be74e08 SHA-1: 507b84c5ae3f73d3a06342f8a978d4a676573dea SHA-256: cfb8b958d2d085a8e74b4ef9ddb2c5a39a022590fcc47f10bbffd2b28af8a1e8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, with a primary external URI pointing to 'http://netcdn.co/app/431946152/roblox-cheat-com-game-hack', suggesting a lure for downloading potentially malicious content related to game cheats. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple game-related download links reinforces the phishing or malware distribution intent. No scripts were extracted, but the embedded URLs are the primary indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/roblox-cheat-com-game-hack PDF link annotation
    • http://perpus.ar-rum.ac.id//repository/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/coin-master-hack-mod-apk-free-download_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-wheel_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/get-free-robux-no-survey-no-download-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-com-real_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/coin-and-spin-link_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/rbx-place-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/coin-master-hack-tips_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/free-gamepass-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/100-working-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-discord_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/hacking-simulator-game-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-get-free-minecraft-coins_GM479516143.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-spins-coin-master-links-thursday-november-28-2021_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/www-roblox-com-robux-free_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_off00002de7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DE7 21732 bytes
SHA-256: 3f45a0e91e7aea770316e766ef7ac689286b3ef107f9bbc83f52034f824a3db5
font_01_sfnt_off00005daa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DAA 19016 bytes
SHA-256: 1a9e8bab3df4a49422091422e1435b236f677cbe599b7cab23b2fa9f030d364b