Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d533fa7bca385bf…

MALICIOUS

PDF

24.0 KB
MD5: 5a503c0ca3f1cf956e075f43dc98b00b SHA-1: cb32490786d2aa4c5f468fe20b862486c8b8948c SHA-256: 5d533fa7bca385bfdbe98dee5bc3f01b947e6847cda0e2948a7e8e9b7270d14d
162 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is identified as malicious by multiple heuristics, including a critical finding for CVE-2010-0188, which is an Adobe Reader LibTIFF XFA image exploit. The ML classifier also flagged it with high confidence. The embedded URL is likely related to the XFA template, but no further malicious activity is directly observable from the provided document body or script content.

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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