Malicious PDF — malware analysis report

Static analysis result for SHA-256 78bf8c2a70f87ec0…

MALICIOUS

PDF

24.1 KB
MD5: c4dbf7819df7609afd25ca870dd66da7 SHA-1: ac4e3603bee6ffa8dfdb6e9d46b97045e19066ed SHA-256: 78bf8c2a70f87ec0492101483ab1b25b6a4df77fea4fda4fb8848ab9493fbf07
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA form processing. This exploit allows for the execution of arbitrary code, indicated by the critical heuristic firing. The embedded URL, while seemingly benign, is part of the XFA template structure and is associated with the exploit.

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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