Malicious PDF — malware analysis report

Static analysis result for SHA-256 79ea145ebf72f2d8…

MALICIOUS

PDF

24.1 KB
MD5: 09e4bbdcc333a81c40e586f841d37c49 SHA-1: 823e25557316a2868fb3fd0fdce680ef8b43202b SHA-256: 79ea145ebf72f2d8f8bf5e527b8de15dadb94d37e29112fbf2ce79f722fde399
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 Adobe Reader exploit targeting XFA forms. The XFA form likely contains shellcode that, when executed, exploits this vulnerability to achieve arbitrary code execution. The embedded URL is likely related to the XFA schema but is not directly actionable.

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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