Malicious PDF — malware analysis report

Static analysis result for SHA-256 56f122b54f18035a…

MALICIOUS

PDF

20.2 KB
MD5: 86d090e6ea19ca9139a27c5966fcf51b SHA-1: 43e048bcf998f81780e42a1d7fba18cb2b1c5c5d SHA-256: 56f122b54f18035ad5431ca38783bc69dd51ab64add1ac113f3c8521f56ae078
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.002 Phishing: Spearphishing Attachment

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting vulnerabilities. Specifically, the 'CVE_2010_0188' heuristic indicates exploitation of the LibTIFF vulnerability in Adobe Reader. This exploit is designed to execute arbitrary code, likely to download and run a secondary payload. The embedded URL is likely related to the XFA template but does not appear to be a direct download link.

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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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