Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc952ca41e1955e5…

MALICIOUS

PDF

24.5 KB
MD5: 967c15fed4308e2a0899e8e38d7d0548 SHA-1: 7d67897c791cfe2bc5b2139ed35b2b8a381466f9 SHA-256: bc952ca41e1955e55b79dc4e4622e698b7839f1239434cbc50a6c4962146a6f9
128 Risk Score

Malware Insights

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

The critical heuristic firings for CVE-2010-0188 and ClamAV detection indicate the file is a malicious PDF exploiting a known vulnerability. The XFA form structure is commonly used to embed exploits. The embedded URL, while seemingly benign, is part of the exploit's structure and could be used for further stages.

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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