Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5da1f76a28f2da6…

MALICIOUS

PDF

24.0 KB
MD5: f11da5554b657487dab64c6b42e93bf9 SHA-1: c7663ae08f11aa0260565b9d48da116ea61bf6f6 SHA-256: f5da1f76a28f2da6581f5cf03e50817d50412964b4c5509b0004fdb7403b0ec0
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File T1059.001 PowerShell

The sample is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. The embedded XFA script contains obfuscated JavaScript that likely attempts to download and execute a second-stage payload. The presence of an embedded URL further supports the delivery of malicious content.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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