Malicious PDF — malware analysis report

Static analysis result for SHA-256 8933d91fe46dcbc4…

MALICIOUS

PDF

20.4 KB
MD5: 0544c37a77ec8b47e9b9314a89ce1385 SHA-1: 340e7fe098e9939dfcfcd742fb6ce25c39970320 SHA-256: 8933d91fe46dcbc49d2f56f98c48c7f43a39a71f46feab17a8207b92222d0ac7
128 Risk Score

Malware Insights

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

The sample is a PDF file that triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. This exploit is likely used to download and execute a second-stage payload. The embedded URL, while seemingly benign, is often used in conjunction with such exploits.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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