Malicious PDF — malware analysis report

Static analysis result for SHA-256 018609725ffb6399…

MALICIOUS

PDF

24.1 KB
MD5: 8973cc376d28ab014fa4f053dcfb1b14 SHA-1: ffd1fecdbbd9183ff2b0969db3f14bff25f220de SHA-256: 018609725ffb63996f5b11ecc6281d84f657a1677eed7abc59b478d4b56209fd
160 Risk Score

Malware Insights

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

The critical heuristic firing for CVE-2010-0188 indicates exploitation of a LibTIFF vulnerability within XFA forms in Adobe Reader. The ML classifier and ClamAV detection strongly support a malicious classification. The embedded URL, while benign on its own, is associated with XFA templates and likely serves as a lure or part of the exploit chain.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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