Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ddb57b186f88ac0…

MALICIOUS

PDF

24.0 KB
MD5: fd98c3235d2dd043670417bb45fa2649 SHA-1: be9827fac39581e0c259526da568a2da058b237b SHA-256: 1ddb57b186f88ac05c36768f6c8e4c501a5e6f02181c2edfa9af9838ff6bf508
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 known to be vulnerable to exploits. Specifically, the CVE-2010-0188 heuristic indicates exploitation of the LibTIFF component within Adobe Reader. This exploit likely leads to the execution of a second-stage payload. The embedded URL is likely part of the exploit chain or a command and control channel.

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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