Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea43785f86e13495…

MALICIOUS

PDF

24.1 KB
MD5: 5ee1b4f4e4b0ade8f9e09ab943708733 SHA-1: 41280b628cf13747228889e4d8333dc450a45e82 SHA-256: ea43785f86e13495b14e07a963199ebc1c386449428350b991b8e802468f3dd4
128 Risk Score

Malware Insights

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

The PDF file contains an XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing. This exploit is designed to execute arbitrary code. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure and likely points to resources used by the exploit. No scripts were extracted from this sample, but the critical heuristic firings strongly indicate a client-side 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.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/