Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e7c7183af0aeec…

MALICIOUS

PDF

79.4 KB
MD5: 92818687ae3ca9a89c7eb8a8faa01fac SHA-1: 364258c0a9c036f09ef3ee5d692c358a997e68e6 SHA-256: 60e7c7183af0aeecb1c958c9ba816d8ba412a07d86071c5fef7b94ad8ddff66d
116 Risk Score

Malware Insights

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

This PDF file is identified as malicious by an ML classifier and contains a critical heuristic indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. The exploit targets the LibTIFF component within Adobe Reader's XFA processing. The embedded file and script payload markers suggest the PDF is designed to download and execute a secondary stage. The benign URLs are likely unrelated schema definitions.

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
2aca87da5f9c894a4bd748afdeadeb845ba1344559403c57e0bf4becfa62976e
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 80578 bytes