Malicious PDF — malware analysis report

Static analysis result for SHA-256 5df549ee937a38de…

MALICIOUS

PDF

24.1 KB
MD5: 1b51765e2b7ef7e1c46c4f82bf872dad SHA-1: 90c420f9bcba5593762f4c18367eef438ed4ddb0 SHA-256: 5df549ee937a38de4fb4c688d1b378a11bbb081a4355b3954190d598f8c134fd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains an XFA form and triggers a critical heuristic for CVE-2010-0188, indicating exploitation of a LibTIFF vulnerability in Adobe Reader. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery URL.

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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