Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ab8bb463b445be2…

MALICIOUS

PDF

12.8 KB
MD5: 1900a8bb452b6e702be1a041e05eb8f6 SHA-1: 4614bd971c11df0e22b695c611c3b33bb1222671 SHA-256: 9ab8bb463b445be244c38aee526a4524eb4a6396eae9652aae39f54be9af2c8e
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains an XFA form and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. ClamAV also detected it as Js.Exploit.HTML-30. The embedded URL, while seemingly benign, is part of the exploit infrastructure. The script content, though obfuscated, likely contributes to the exploitation process by preparing or delivering the secondary payload.

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • 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://www.xfa.org/schema/xfa-template/2.5/

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