Malicious PDF — malware analysis report

Static analysis result for SHA-256 f491999ebc2d0087…

MALICIOUS

PDF

39.0 KB Created: 2021-05-20 21:26:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 33178ef85b5d88677e1c1cc276080530 SHA-1: 302309d676a813026ed038596e8e68a5608df8ab SHA-256: f491999ebc2d00871313c83130bcc6ac73f01ea183fb4900a838546ba5d7d941
82 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs and a heuristic firing for a browser installation lure, indicating a social-engineering attempt to trick the user into downloading a payload. The document body and embedded links suggest a lure related to game hacks and free in-game currency, which is a common tactic for malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

Heuristics 4

  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.xyz/app/835599320/tiktok-like-bot-free-game-hack PDF link annotation
    • https://daftarmncvision.id/ckfinder/userfiles/files/robux-link_GM431946152.pdfIn PDF document text
    • https://daftarmncvision.id/ckfinder/userfiles/files/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • https://daftarmncvision.id/ckfinder/userfiles/files/is-minecraft-free-on-computer_GM479516143.pdfIn PDF document text
    • https://daftarmncvision.id/ckfinder/userfiles/files/coin-master-free-coins-and-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://daftarmncvision.id/ckfinder/userfiles/files/free-coin-master-spins-and-coins-for-daily_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000030dd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30DD 27428 bytes
SHA-256: 8933913a1da2a6732a2376678f40d264d43c8e733fe812a181eccd7a2ed828d9
font_01_sfnt_off00006ddd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DDD 3124 bytes
SHA-256: d6dd29adb69da7f9a23a5e3791282a61e2f811794f560a0c409c8747766d9102
font_02_sfnt_off00007896.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7896 17672 bytes
SHA-256: 4586a179c1ee4dcb7242a6ebe5d9b9be55f6b3291c614cdd8b5fef0fe9e318cf

Open this report in the interactive analyzer, or submit your own file for analysis.