Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d32916f5ac94aa1…

MALICIOUS

PDF

50.5 KB
MD5: 1215b88b566e1daf8476ca8664575933 SHA-1: c181176df4d8b1a3b40c6ab4deb178dc14e1e73b SHA-256: 0d32916f5ac94aa1bcebad8b17016790f653abe4afdb2fdf109a53532beebc27
176 Risk Score

Malware Insights

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

This PDF file is identified as malicious due to the critical 'CVE_2010_0188' heuristic, indicating an exploit for Adobe Reader's LibTIFF component. The presence of an embedded script payload and ML classification further supports its malicious nature. The exploit likely facilitates the execution of a secondary payload, though the specific content of that payload is not detailed in the provided evidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded script payload in PDF stream low PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • 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://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin
a36c5c476fb69d4965a0947d0547e3402200e0a986ed31a27413429e55507ebd		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC8 50975 bytes

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