Malicious PDF — malware analysis report

Static analysis result for SHA-256 8338d5b4251fac27…

MALICIOUS

PDF

24.1 KB
MD5: 334230f0e74591ece17ff399544a9b8b SHA-1: bbe1da75bfcc6d7f52adc77394c52c5e67463f4d SHA-256: 8338d5b4251fac27874dbf482927f08c2eadc85529b2e86586ae8bb8ec0a0730
128 Risk Score

Malware Insights

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

The PDF file contains critical heuristic firings indicating the exploitation of CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms and LibTIFF. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The embedded URL, while seemingly benign, is present within the document structure and could be part of the exploit chain.

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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