Malicious PDF — malware analysis report

Static analysis result for SHA-256 600bc4cb8cf78b2c…

MALICIOUS

PDF

78.9 KB
MD5: 2d4687551dcd08c3d19db1f50334d7e6 SHA-1: 1f4b8ea216c1d341f9178a4dfb06852c67209534 SHA-256: 600bc4cb8cf78b2c26b3237a41b9e6c2b38ae13079c31abe407e2a5c2e174ed0
116 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF file contains an embedded script payload and exploits the CVE-2010-0188 vulnerability in Adobe Reader's XFA form processing. The exploit likely facilitates the execution of a secondary payload, as indicated by the embedded script marker. The ML classifier strongly flags this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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
4fb5aa55fc7a2439168fc3572adf13c02717f1b93fa7e02a79bedc1d051dcd74
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 80056 bytes