Malicious PDF — malware analysis report

Static analysis result for SHA-256 568a62c287d38d80…

MALICIOUS

PDF

28.6 KB
MD5: 02a9313d1710dbfe452852036dd8b21b SHA-1: 730ee8b553a28b42ca5ffa8824acb1d13fcc8adb SHA-256: 568a62c287d38d80e7932c67e898e14eaa41cf116b5f9bd6a5966334c279d8bc
100 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically identifying it as a JavaScript exploit. The presence of an XFA form and an embedded URL further supports this. The obfuscated JavaScript within the document body suggests an attempt to download and execute a second-stage payload.

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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