Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb6b1877b6d6163b…

MALICIOUS

PDF

24.1 KB
MD5: 669224b02601ac5b93c2eaceee5ee011 SHA-1: 8a322541335ed2f96e6ccd0f2bc5c90b47f1e52d SHA-256: fb6b1877b6d6163b8543cdb77464a57fc4465ffffba47924768cb3bc4d8258b3
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 PowerShell

The sample is a PDF file that contains an XFA form, which is leveraged to exploit CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code. ClamAV also detected this file as Pdf.Exploit.Agent-36821, confirming its malicious nature. The embedded URL is likely related to the exploit 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/