Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e7db9747c8eefce…

MALICIOUS

PDF

24.2 KB
MD5: e378c8da5c50a3dac2dd63804ecdba51 SHA-1: 88c4d02e2b893dfb52d4a6367faedcd9937341bc SHA-256: 9e7db9747c8eefce43ecba55e2b40dcdbfff02d0fa36f6ba5ec305f2faa616a7
128 Risk Score

Malware Insights

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

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. The presence of XFA form elements indicates a likely vector for executing the exploit. The embedded URL, while seemingly benign, is part of the exploit chain. The ClamAV detection further confirms its malicious nature.

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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