Malicious PDF — malware analysis report

Static analysis result for SHA-256 2477f6820a355260…

MALICIOUS

PDF

14.3 KB
MD5: 9df20329925be14beb6a4498e6555ef7 SHA-1: e91c842a2685a1069f987689d4acc4da267a5d5e SHA-256: 2477f6820a355260de3fc8e150935f3526db8a7557aa8e22a262522dd698df9e
168 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

This PDF file contains an XFA form that leverages CVE-2010-0188, an Adobe Reader vulnerability, to execute a stager. The stager is detected by ClamAV as Js.Exploit.HTML-30, indicating it likely attempts to download and execute a second-stage payload. The embedded URL is likely part of this exploit chain.

Heuristics 5

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • 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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