Malicious PDF — malware analysis report

Static analysis result for SHA-256 e47226db05bffaaa…

MALICIOUS

PDF

24.2 KB
MD5: 8f3477bbf476276c27b2129844810e34 SHA-1: f3f05b0cacf610443c409f1e8aef3f771b73e565 SHA-256: e47226db05bffaaa6feeefe2238c9479f326940e8f559876f25803b38c9cbfa7
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

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 indicates exploitation of CVE-2010-0188 via a decoded XFA payload. The embedded URL is likely related to the XFA template. No scripts were extracted, but the exploit itself is sufficient to classify the attack pattern.

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/

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