Malicious PDF — malware analysis report

Static analysis result for SHA-256 14ebc52199cca21c…

MALICIOUS

PDF

23.9 KB
MD5: b1d00641de9e2cc3208c78c941af5e6c SHA-1: 6835eddb6a86f5be9294377edc8cd36eb013d99f SHA-256: 14ebc52199cca21c181a5b111c8fa4ea34ac9479613fe526ddc2103e97c4eaee
160 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by multiple heuristics, including a critical finding for CVE-2010-0188, which is an exploit targeting LibTIFF within XFA forms in Adobe Reader. The embedded script contains obfuscated JavaScript that likely facilitates the exploit execution. The presence of an embedded URL, though benign in this case, is typical for malware attempting to download further stages.

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.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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