Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb3958df1e2d5735…

MALICIOUS

PDF

24.1 KB
MD5: 33ab09dabb0009ce3144a2689d573f0b SHA-1: f5b2e3c9f92bc90828b17c2a8c13b627e5ea8d0d SHA-256: cb3958df1e2d5735fc40f716b8ce46cc0fe5f406dffd78e53f38ef818f2f0e9b
128 Risk Score

Malware Insights

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

The sample is a PDF file that leverages the XFA form feature to exploit CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code, and the embedded URL suggests a potential download location for a secondary payload. The heuristic firings strongly indicate exploitation of this specific vulnerability.

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/

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