Pdf.Exploit.Agent-36962 — PDF malware analysis

Static analysis result for SHA-256 7bd123b0eed79b2a…

MALICIOUS

PDF

13.1 KB
MD5: c4bdda53116d01dea34b26c441064cf0 SHA-1: 2a48035722338b7b1c047afc3fadc25d18b07e14 SHA-256: 7bd123b0eed79b2a89898ad29520b857e36dc40443704ea2c4652dcc6f0b47b3
116 Risk Score

Malware Insights

Pdf.Exploit.Agent-36962 · confidence 95%

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is identified as a malicious PDF by ClamAV and an ML classifier, indicating it exploits a vulnerability. The presence of XFA forms and embedded files suggests a complex exploit designed to execute arbitrary code. The benign URLs extracted do not provide further context on the exploit's target.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-36962 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36962
  • 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
  • AcroForm button with action trigger low PDF_ACROFORM_BUTTON
    PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
  • 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://www.xfa.org/schema/xfa-locale-set/2.1/
    • http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xci/1.0/
    • http://www.xfa.org/schema/xfa-template/2.2/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0041.bin
c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb		 pdf-embedded-file PDF EmbeddedFile object 41 at offset 0x26FF 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0x27B1 1029 bytes
embedded_file_obj0043.bin
e7851af5e081c5f5c213de29bdc9f7a06a2e391a781bf5a9853e28c7c369149e		 pdf-embedded-file PDF EmbeddedFile object 43 at offset 0x29CA 1735 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x2DB6 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x2E62 77 bytes

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