Malicious PDF — malware analysis report

Static analysis result for SHA-256 c926fcffe37a7718…

MALICIOUS

PDF

24.1 KB
MD5: 2af1a05ebf9d5f3d3ea8c9128cfa51d9 SHA-1: 97c3a192239d2bed81fee17000c0a0ee1cb83d02 SHA-256: c926fcffe37a7718ddcea9da5d32565766e29c74ac2f1345a30af8cfdbc21e3f
128 Risk Score

Malware Insights

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

The file is a PDF document that leverages the CVE-2010-0188 vulnerability, a known exploit targeting Adobe Reader's handling of XFA forms. The heuristic firings confirm the presence of this exploit and indicate that it decodes a payload from an XFA stream. The embedded URL, while seemingly benign, is associated with XFA templates and could potentially be used in conjunction with the exploit. The document body contains obfuscated JavaScript-like content, suggesting the exploit likely leads to script execution for further malicious actions, such as downloading a second-stage payload.

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/