Malicious PDF — malware analysis report

Static analysis result for SHA-256 84a8f01d7f0dc230…

MALICIOUS

PDF

24.0 KB
MD5: abebda12aebed983236ada19b31d13d6 SHA-1: 121d3e8fa9ab6f5ee72f3327e29002a10a9d8703 SHA-256: 84a8f01d7f0dc23056b7b90b3eabf168ed82c0693d627e2e9e71e3b748b44b59
128 Risk Score

Malware Insights

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

The sample is a PDF file that leverages the CVE-2010-0188 vulnerability, which is a known exploit targeting Adobe Reader's handling of XFA forms. The embedded XFA payload indicates an attempt to execute arbitrary code. The URL found within the document, while seemingly benign, is associated with XFA templates and may be used in conjunction with the exploit.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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/