Malicious PDF — malware analysis report

Static analysis result for SHA-256 6374448561bdc2a6…

MALICIOUS

PDF

24.1 KB
MD5: 2d20a6d0e93d58f8d90000532efa1e6b SHA-1: 5ed3e4bc0140e6d9f341bf8e1cbf45711b25fc79 SHA-256: 6374448561bdc2a60d50998e6a00c590b17735d902bd23fe4d84644aa2a845ad
162 Risk Score

Malware Insights

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

The file is a PDF that triggers a critical heuristic for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component via XFA forms. This indicates the file is designed to execute arbitrary code upon opening. The embedded URL, while seemingly benign, is part of the XFA structure and could potentially be used in a download chain.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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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