Malicious PDF — malware analysis report

Static analysis result for SHA-256 86b7a009552ca7e7…

MALICIOUS

PDF

24.1 KB
MD5: 73f80f4b1df8b08b67e80348cf920b3c SHA-1: 48a8cb15b7cabfc63f1652b37d96235f9a20c10f SHA-256: 86b7a009552ca7e741a755d2eb01cb0e7e11afac325682209836ec1e0b8b5bf7
128 Risk Score

Malware Insights

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

The sample is a PDF file that contains XFA (XML Forms Architecture) data, which is known to be a vector for exploits. Static analysis detected a critical heuristic match for CVE-2010-0188, an exploit targeting Adobe Reader's handling of LibTIFF images within XFA forms. This indicates the document is designed to execute arbitrary code upon opening in a vulnerable reader. The embedded URL, while seemingly benign, is part of the XFA structure and could potentially 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.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/