Malicious PDF — malware analysis report

Static analysis result for SHA-256 4dbf8b3c303acf59…

MALICIOUS

PDF

24.2 KB
MD5: 32365559e8e08d37961f977bab763b5c SHA-1: 5783b8fae8d059d775c35667bf9cb60f90dd4b83 SHA-256: 4dbf8b3c303acf59f490da131defdc3aabcca992f918830570b84a5608b49588
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an XFA form and triggers a critical heuristic for CVE-2010-0188, indicating exploitation of a LibTIFF vulnerability within Adobe Reader. This exploit is designed to execute arbitrary code. The embedded URL, while seemingly benign, is part of the XFA structure and may be used in the exploitation chain. No scripts were extracted, and the document body content is not directly indicative of a specific lure.

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: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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/