Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a08b33da6109b3c…

MALICIOUS

PDF

24.2 KB
MD5: 1c3ace4006e0bf9a00811384aa417f2c SHA-1: ce117cab6f3ea07c4900ce10907e4a0fe998f2df SHA-256: 4a08b33da6109b3c36abe4c8245c23914fac29a8434253f618d47a7cb46299ce
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form, which is known to be a vector for exploits. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the document is designed to leverage this vulnerability to execute arbitrary code upon opening in a vulnerable reader. No scripts were extracted, and the document body content appears to be obfuscated JavaScript or similar code, not user-facing text.

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/