Malicious PDF — malware analysis report

Static analysis result for SHA-256 72fa9e3f7291335f…

MALICIOUS

PDF

94.3 KB
MD5: 331b271ea6952dd23d0364b2b8782d5d SHA-1: 0acc2e4ef3cc2d96d3e1a9f4a5baa2ce486166bf SHA-256: 72fa9e3f7291335f851b61d57f6d08f312a97b9d9505db5d924ea96f5062fef9
176 Risk Score

Malware Insights

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

The PDF sample contains an embedded XFA form and triggers the CVE-2010-0188 exploit, which is known to target Adobe Reader. This exploit is designed to achieve arbitrary code execution, typically for downloading and running additional malicious content. The presence of an embedded file further supports the likelihood of a multi-stage attack. No specific family could be identified.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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
19b7488300bc5c2b01dce87cce95a6bcca944107b1d75a6b6580d2f8adb3b9b2		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 95774 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.