Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dbf9ea31b921659…

MALICIOUS

PDF

24.0 KB
MD5: 6e21fcb7654946ed7974fc7c201d5b58 SHA-1: eb125caa10235901880e1f1ea8358311966acf2e SHA-256: 0dbf9ea31b921659d76e585733f8aa5395a7f022d631a0ac0169ad841d8dd889
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple engines, including ClamAV and a machine learning classifier. It contains an XFA form and exploits the CVE-2010-0188 vulnerability, a known exploit targeting Adobe Reader's LibTIFF component. This exploit is likely used to download and execute a secondary 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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