Malicious PDF — malware analysis report

Static analysis result for SHA-256 6710a4114e7e172a…

MALICIOUS

PDF

79.1 KB
MD5: 23d451d1c9672b22c352225519597567 SHA-1: 60dfc64a77dd46eac55eb2fdac4c3561a8db38e8 SHA-256: 6710a4114e7e172ac59e29f1aa8617a4c72e94540ff7660c85f50143a938a79d
116 Risk Score

Malware Insights

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

This PDF file contains an embedded exploit targeting CVE-2010-0188 in Adobe Reader's XFA forms. The exploit is designed to execute arbitrary code, which is a common technique for delivering secondary payloads. While no specific payload or C2 infrastructure was directly identified, the presence of the exploit and embedded script payload strongly indicates malicious intent.

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
aa0daca38b11f76a015cff0badee368756ed1c5c197719df3f7d473a55643af9		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 80288 bytes

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