Malicious PDF — malware analysis report

Static analysis result for SHA-256 7503bf086a1dca3e…

MALICIOUS

PDF

24.1 KB
MD5: 111f8f624b1105a0324a8008e0698c8b SHA-1: 2786e206c6176830c7ebad25fbf768bd4199810b SHA-256: 7503bf086a1dca3ec8d2e56226d488d9f1ab7aeb27a00f1cf8b074189aa0486d
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, which exploits XFA forms and LibTIFF. This exploit is designed to achieve client execution. The embedded URL, while seemingly benign, is present within the context of a malicious exploit.

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/