Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c05ae2c7f3ea899…

MALICIOUS

PDF

24.1 KB
MD5: c1ef884890039e706058ea36e282fce9 SHA-1: 1bff64cdf229483aec2cd07d3714a706be5a17a3 SHA-256: 1c05ae2c7f3ea899aee8823a5b4c9fb6b5d9f77bdccf538035481abe547e4d50
128 Risk Score

Malware Insights

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

The sample is a PDF file that triggers a critical heuristic for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component via XFA forms. This indicates the file is designed to achieve code execution by leveraging this known vulnerability. The embedded URL, while seemingly benign, is associated with XFA templates and could be part of the exploit chain. No scripts were extracted, but the exploit itself is the primary indicator of malicious intent.

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/