Malicious PDF — malware analysis report

Static analysis result for SHA-256 446cffe2896d1817…

MALICIOUS

PDF

28.1 KB
MD5: 943289d9866f62999ca02fb353372422 SHA-1: 593cc2d3c8e89437a3f345417daf06ad53006b93 SHA-256: 446cffe2896d181782896e919c5ea60e92b21b68c96e8de79a93797894d0c8f6
70 Risk Score

Malware Insights

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

The PDF file contains an XFA form and triggered a ClamAV detection for Js.Exploit.HTML-30, indicating it contains malicious JavaScript. The embedded URL http://www.xfa.org/schema/xfa-template/2.5/ is likely part of the exploit chain. The JavaScript is designed to exploit a vulnerability within the PDF viewer, leading to the execution of malicious code.

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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