Malicious PDF — malware analysis report

Static analysis result for SHA-256 43081b39c5eece03…

MALICIOUS

PDF

24.1 KB
MD5: eaad444b1cfeee59a160b167c1dca76e SHA-1: 5f264391e16acbf47a390b06aa324ea3a17af0eb SHA-256: 43081b39c5eece03b0f2eaa81ef65c4dba8a7cd6a54ef943cfb007587b7d03b9
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploitation. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to leverage this vulnerability for initial code execution. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure.

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/