Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1f2df89ae1e105d…

MALICIOUS

PDF

24.1 KB
MD5: d2fcd7046ac154acdf51ba6764da5bf6 SHA-1: 3ea72682f28f15f28d890fcf0276f99d5e278c2e SHA-256: c1f2df89ae1e105d28f68a88ea1a75925cfc7aa74e6c2615b886c45681d95a75
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an embedded XFA form. Static analysis identified a critical heuristic firing for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component. This indicates the PDF is designed to leverage this vulnerability for client-side code execution. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

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/