Malicious PDF — malware analysis report

Static analysis result for SHA-256 985e06e10107f1c7…

MALICIOUS

PDF

24.0 KB
MD5: 2ec867e6d245ab9717f5036e211f4bd3 SHA-1: 2d834a041f6aa38a068ff0f8c3e5df2e453c945b SHA-256: 985e06e10107f1c74c71c8b7146b2598adb9176f1c35e9189eb803ac98c2d90f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The critical heuristic firings for CVE-2010-0188 and ClamAV detection indicate the PDF exploits a known vulnerability. The XFA form structure is a common vector for such exploits. The embedded URL, while seemingly benign, is associated with the XFA template and could be part of the exploit chain.

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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