Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8f64ec01997b139…

MALICIOUS

PDF

24.1 KB
MD5: b752de61271b0405711247f467fc57ec SHA-1: 0a6f2eca51bd1fa98877f2887c532e33aa3898bb SHA-256: c8f64ec01997b139e05db95c5e8b1a6da75236f92ada12cd7067ae0b8927ff3f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The sample is a PDF file that contains an XFA form, which is known to be a vector for exploits. Specifically, the critical heuristic firing indicates exploitation of CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF and XFA images. This exploit likely leads to arbitrary code execution. No scripts were extracted, and the document body is not indicative of user-facing content. The embedded URL is likely related to the XFA template.

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/