Malicious PDF — malware analysis report

Static analysis result for SHA-256 50bff25aee1dfcaa…

MALICIOUS

PDF

24.1 KB
MD5: 05a39cd483ab7008be2380de228a53fd SHA-1: 8eeb2cc98e27a022a24018c2423a0326df20e673 SHA-256: 50bff25aee1dfcaaf8c9e4878b21832aad6896884d9b2c4d7e004e95b08de111
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 embedded XFA form. Static analysis identified a critical heuristic match for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component when processing XFA forms. This indicates the file is designed to deliver a payload via this vulnerability. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure.

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/