Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c488ed514fd2ec0…

MALICIOUS

PDF

12.7 KB
MD5: 401a08a071ffe37cf5ec375e71826c23 SHA-1: 9c26949b2759cc56bc8624e61ea13a5f86d3e97c SHA-256: 8c488ed514fd2ec088fe5c89b0d1064bd0be096489c3097e64f104ef94f7c82c
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link/Object: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. It also contains embedded JavaScript, detected as Js.Exploit.HTML-30 by ClamAV, which likely facilitates the exploit execution. The embedded URL is likely related to the XFA template, but its direct maliciousness is not confirmed.

Heuristics 4

  • 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 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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