Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7cbaca0072eb1ee…

MALICIOUS

PDF

24.2 KB
MD5: 38a14319a78ab606375f3abbd3a18801 SHA-1: 599ddf5eadd2064ec8143a345a9bf32eceb219b3 SHA-256: c7cbaca0072eb1ee05771b3f63cac6d2238762b24a363e1155ca9d4eeb53c840
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample is a PDF file identified as malicious by ClamAV, specifically detecting it as Pdf.Exploit.Agent-36821. Static analysis revealed the presence of an XFA form and a critical exploit for CVE-2010-0188, which targets a vulnerability in Adobe Reader's handling of LibTIFF images within XFA content. This exploit is likely used to achieve code execution and download a secondary payload. An embedded URL was also found, which may be related to the exploit's functionality.

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/