Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8736fcaaf100539…

MALICIOUS

PDF

32.1 KB
MD5: 8c00f4fecdb1853e9bd64d00e5a1645f SHA-1: 6e1769c0727f391ec457f04f6227ad24b543e652 SHA-256: f8736fcaaf10053904b1f5976b667a78d7993d58589c492138100960fdf9cc5d
70 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is a PDF containing XFA form elements, which is a known vector for exploiting vulnerabilities. ClamAV detected it as Js.Exploit.HTML-30, indicating the presence of malicious JavaScript. The embedded URL likely points to a malicious script or exploit. The XFA form structure suggests an attempt to execute code within the PDF viewer.

Heuristics 4

  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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