Malicious PDF — malware analysis report

Static analysis result for SHA-256 745f0f94f2a34c82…

MALICIOUS

PDF

24.2 KB
MD5: 1b2dd1a308f1da3934fd75d976da1c9b SHA-1: 1d35243ba583b4ca19be70124e45930c8a5173b5 SHA-256: 745f0f94f2a34c82777f52075cd9fecf1d528eaf7caf7a24c884da88b016f279
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form, which is often used to deliver exploits. Static analysis identified a critical heuristic firing for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the document is designed to execute arbitrary code upon opening in a vulnerable version of Adobe Reader. The embedded URL is likely related to the exploit delivery mechanism.

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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