Malicious PDF — malware analysis report

Static analysis result for SHA-256 938f94645491f9cc…

MALICIOUS

PDF

24.4 KB
MD5: 70c43faa5ab0102c902a6d52a970aeee SHA-1: 513b6c683740f1ea3da04bfaa1ee7084a91fbbcc SHA-256: 938f94645491f9cc75034860ed4bd4d5a19fc8f9fcbf5aa460a8381df967aa69
128 Risk Score

Malware Insights

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

The sample is a PDF document that contains an XFA form and exploits CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF processing. This exploit allows for arbitrary code execution. The embedded URL is likely related to the XFA template, but no further malicious activity was directly observed.

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/

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