Malicious PDF — malware analysis report

Static analysis result for SHA-256 23a7a256f4ecac0c…

MALICIOUS

PDF

24.1 KB
MD5: 5c3d0c498257ad58b39494bc5abed648 SHA-1: 83713d81037dab656e51a0337de15fc3d8ec5300 SHA-256: 23a7a256f4ecac0c5256fa98221677bc534ecab272e7f4af7beab94a05453dab
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, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit this vulnerability for initial execution. The embedded URL, while seemingly benign, is associated with XFA templates and could be part of the exploit chain. No scripts were extracted, and the document body content is not 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/