Malicious PDF — malware analysis report

Static analysis result for SHA-256 58b404a51f0ce0bf…

MALICIOUS

PDF

24.1 KB
MD5: d6b4e473df7be2f874c6124682a99cd9 SHA-1: ccbf3750f83964690a71d5e25be6f35600087fb1 SHA-256: 58b404a51f0ce0bf111b970413a11ad37348a5e29eff2fcb652392f020712cb5
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample is a PDF document identified as malicious by ClamAV. Static analysis detected the use of XFA forms and a critical exploit for CVE-2010-0188, indicating it attempts to leverage a vulnerability in Adobe Reader. The embedded URL, while seemingly benign, is often used in conjunction with exploit delivery mechanisms.

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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