Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6d8fcf49e31faec…

MALICIOUS

PDF

23.9 KB
MD5: f2b31f6ce9b9e4f1d87367aeb7aed055 SHA-1: 061e93d27134a9a95c4f3a114ac276d63a6e7ec3 SHA-256: f6d8fcf49e31faecf1d5932ce9d660b5a22c3ae2a589b1f93936ad045a24a6d9
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. Heuristics indicate a critical vulnerability, CVE-2010-0188, which is an Adobe Reader LibTIFF XFA image exploit. This exploit is likely used to achieve arbitrary 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/