Malicious PDF — malware analysis report

Static analysis result for SHA-256 73828ef86a4fb8ef…

MALICIOUS

PDF

24.1 KB
MD5: d244eb6b3ea4c3ebf2956bc605b08999 SHA-1: 2549ceb1ba48c50dc47f03ac4647c9f8cb12a6e0 SHA-256: 73828ef86a4fb8ef4d63961b086ad51acd99ec0e4cb4c9ebccfba6765dc65b2c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is a PDF document that contains an embedded XFA form, which is known to be vulnerable to exploitation. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the sample is designed to leverage this vulnerability to execute arbitrary code on the victim's machine. The embedded URL is likely related to the XFA template but has no reputation.

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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