Malicious PDF — malware analysis report

Static analysis result for SHA-256 6be20e8572f06264…

MALICIOUS

PDF

24.1 KB
MD5: c382583f70ef6cd4f6037ace6817c89a SHA-1: 878d2daa6e5171aceb49e6f2c8bd19bbb98be73e SHA-256: 6be20e8572f062643ea0edbf70c7abac538fdfc8dd1c43969dcd400dc506ec7d
160 Risk Score

Malware Insights

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

The file is a PDF that contains an XFA form, which is known to be vulnerable to exploits like CVE-2010-0188. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL, while seemingly benign, is present within the context of a known exploit vector, suggesting it could be part of a malicious chain.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/