Malicious PDF — malware analysis report

Static analysis result for SHA-256 90f660fc636182f2…

MALICIOUS

PDF

36.6 KB Created: 2021-05-21 06:44:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f7cbcef39ac0a616db30ce46191ce0b1 SHA-1: 7c3109aa5a403367dafc12253b7fe795e22c22f0 SHA-256: 90f660fc636182f23799db06de02c2748265cb78f727d05605a70b9b567d9bc5
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure, designed to trick the user into interacting with a malicious link. The embedded URI points to a URL that appears to be related to game hacks, further supporting the malicious intent. The document also contains multiple embedded URLs that likely lead to further malicious content or downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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.xyz/app/431946152/roblox-free-item-codes-game-hack
    • http://casabea.de/images/roblox-no-download-hack_GM431946152.pdf
    • http://casabea.de/images/free-robux-com-roblox_GM431946152.pdf
    • http://casabea.de/images/how-to-get-more-robux-for-free_GM431946152.pdf
    • http://casabea.de/images/free-minecraft-website_GM479516143.pdf
    • http://casabea.de/images/coin-master-golden-cards-hack_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003137.bin
bf78df6d683d21ca61cbb9d02306c9b8fdb1075b541beb68d1b541177069057f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3137 25656 bytes
font_01_sfnt_off00006cf1.bin
c72c233e0477db5c15587e2c1e6f96ab3255d21c2f787dab6c27132f5893b73f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CF1 18488 bytes

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