Malicious PDF — malware analysis report

Static analysis result for SHA-256 b26eae4ce7ca5ae2…

MALICIOUS

PDF

24.2 KB
MD5: 597a0933c79b4e328f1bd1522d379528 SHA-1: 96078e8f7ff612f50ff47394447fcf7bc3f0c363 SHA-256: b26eae4ce7ca5ae2b4faac8bc84c3d1c82f90dc8b94d09ff51a4b82fea98ceec
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 vulnerability in Adobe Reader. ClamAV also detected it as Js.Exploit.HTML-30. The embedded URL is likely used to fetch and execute a secondary payload. The document body content is not indicative of user-facing text and appears to be malformed or part of the exploit.

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/