Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e479a916b477d2a…

MALICIOUS

PDF

24.1 KB
MD5: b68a40d9ab5a7a6b35afffd3a9f84320 SHA-1: ad64f17104ab7e79d18d3d1f902c9aef007ca2e9 SHA-256: 0e479a916b477d2aa364b58567c70e03e93c6566eb4893b5a5cf1ce9236793a0
160 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, which is an exploit targeting Adobe Reader's LibTIFF component. The presence of an XFA form further supports the exploitation vector. The embedded URL, while benign in reputation, is part of the XFA template structure. The obfuscated JavaScript within the document body likely contains the exploit code or a loader for a second-stage payload.

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/

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