Malicious PDF — malware analysis report

Static analysis result for SHA-256 467a80ed07ba19af…

MALICIOUS

PDF

28.4 KB
MD5: dd9a64eafeb6c5dd779af55f3a81e017 SHA-1: 35e6d42b5cc71eadce50ab1a31cc45a7f18464d9 SHA-256: 467a80ed07ba19af1c6f7fbae2b499205d22bf81b9df0d7ae5f93c854ed30e82
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains XFA form elements and triggers a critical ClamAV detection for Js.Exploit.HTML-30, indicating it attempts to exploit a vulnerability. The embedded JavaScript, reconstructed from obfuscated entities, likely aims to download and execute a second-stage payload. The presence of an embedded URL further supports this attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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