Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c37554f2f59afc1…

MALICIOUS

PDF

24.2 KB
MD5: 95fbaa8631cc1f3f31ecedd337d6ae62 SHA-1: d1c1966e69f0f9e61eebd9963a58663660de1db0 SHA-256: 5c37554f2f59afc1bd0817bba94646fa26bd7c3198e601362ad4d78fdfd22434
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This exploit is designed to achieve code execution on the victim's machine. The presence of an embedded URL, though benign in reputation, suggests a potential download or command-and-control vector. The XFA form structure is often used to embed exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/