Malicious PDF — malware analysis report

Static analysis result for SHA-256 f099703d7f5ac049…

MALICIOUS

PDF

24.4 KB
MD5: 03f92301b3b9e217bb11bec1a1948817 SHA-1: 9e2581bc0f83a603b799b67ada9a252695387fe8 SHA-256: f099703d7f5ac049f5c324b70b8d38e354332fc2a7f7713c9560d18620bcceb9
128 Risk Score

Malware Insights

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

The sample is a PDF document that contains embedded XFA (XML Forms Architecture) content. Heuristics indicate a critical vulnerability, CVE-2010-0188, which targets Adobe Reader's LibTIFF component. This exploit is likely used to download and execute a second-stage payload from the embedded URL. The ClamAV detection further confirms its malicious nature.

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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