Malicious PDF — malware analysis report

Static analysis result for SHA-256 17a4a15eae9b67cb…

MALICIOUS

PDF

28.3 KB
MD5: 6f95ba0fa1e9b0cc7c6af893b5949190 SHA-1: 665745858785e0cac258d381e419581b3f15abf2 SHA-256: 17a4a15eae9b67cb8b5c5936acd1eb7208524f06ad2f7bf57a911e1472f7ec80
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is identified as malicious by ML classifiers and ClamAV with the signature Js.Exploit.HTML-30, indicating it contains JavaScript exploits. The presence of XFA form elements and an embedded URL further supports this. The JavaScript likely attempts to download and execute a second-stage payload, a common technique for initial compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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
  • 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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