Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd08602e5da4e366…

MALICIOUS

PDF

24.1 KB
MD5: e8d6cea4bb07cb0dd167109794938507 SHA-1: e3e5f46d3797f38aaf9d436ac7bf46540720fbaa SHA-256: dd08602e5da4e366d0b716d4d2756e028ce3762a483d9a164e62496894083f82
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the critical heuristic firing for CVE-2010-0188 indicates exploitation of the LibTIFF component within XFA. This exploit is designed to download and execute a second-stage payload. The embedded URL, while seemingly benign, is part of the exploit's structure.

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/