Malicious PDF — malware analysis report

Static analysis result for SHA-256 c43a6256f1070466…

MALICIOUS

PDF

24.1 KB
MD5: 105fe35050b789f4a2281cfe5d340bd2 SHA-1: d784aef4d5b7522a9724f42ee18fbf55fd2ad616 SHA-256: c43a6256f1070466ef6a680bd21572e4c0acc3e83789b1810fafdaf732334843
128 Risk Score

Malware Insights

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

The sample is a PDF file that contains an embedded XFA form. Static analysis detected a critical heuristic indicating exploitation of CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF and XFA images. This exploit is likely used to achieve arbitrary code execution. An embedded URL was also found, which may be used for further payload delivery.

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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