Malicious PDF — malware analysis report

Static analysis result for SHA-256 e04d38240819097d…

MALICIOUS

PDF

24.1 KB
MD5: e5aa2169017724a42d34fa723d18db00 SHA-1: def8d8b135a17e4805c63458eec1cfb9873b5723 SHA-256: e04d38240819097dda99fefc56e0f3a9d47bc2141768c79e7cabf60729b8e6e2
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample is a PDF document that utilizes XFA forms and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing. The embedded URL, though seemingly benign, is associated with XFA templates and likely serves as a lure or part of the exploit chain. The heuristic firings strongly indicate an exploit targeting Adobe Reader, leading to the execution of a malicious payload.

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: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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/