Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cab9fb718e3d122…

MALICIOUS

PDF

24.1 KB
MD5: 2e92abc303b7c1a45fedf33f6ee5bd1f SHA-1: 3b6dceb9607063c51531523d5583b0dd22092ff6 SHA-256: 6cab9fb718e3d12261d405b2980cfe8b00a16367ef0cb041196d482cf7a9aa72
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains an embedded XFA form and exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component to achieve code execution. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/