Malicious PDF — malware analysis report

Static analysis result for SHA-256 00e91014e205e1f1…

MALICIOUS

PDF

31.9 KB
MD5: 7ba65d5bf4260a75ad24dd5a65a3a9d4 SHA-1: bdb8ac7a8978aaee2ee5af3f81968e4c2f256c10 SHA-256: 00e91014e205e1f1c1af475fce6afa69aaecbf51d49a64be716c00b26422b1bb
180 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by multiple high-severity heuristics, including XFA script execution and a numeric stager. ClamAV also detected it as Js.Exploit.HTML-30. The embedded URL is likely part of the exploitation chain, though the exact payload delivery mechanism is not fully detailed by the static analysis.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • XFA numeric character-table eval stager high PDF_XFA_NUMERIC_EVAL_STAGER
    PDF XFA initialize script reads numeric form data from rawValue, maps the values through a short character table, and evals the reconstructed stage. This is an exploit-kit staging technique even when the final decoded layer remains encoded.
  • 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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