Pdf.Exploit.Agent-36962 — PDF malware analysis

Static analysis result for SHA-256 02f88dbdf5294574…

MALICIOUS

PDF

14.1 KB
MD5: 4469ff1b30c0548617c8a2f8952398a4 SHA-1: 5ff3af422f761a1ea73d1d5854d42d255db569e7 SHA-256: 02f88dbdf5294574c2fac3ba65b4a40fe9a3b7f5d100783cf7011dbeaed4dadf
116 Risk Score

Malware Insights

Pdf.Exploit.Agent-36962 · confidence 95%

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

The critical ClamAV detection and high ML confidence indicate malicious intent. The PDF utilizes XFA forms and embedded files, common techniques for exploiting vulnerabilities and delivering secondary payloads. The presence of embedded files suggests the PDF is designed to execute arbitrary code upon opening.

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 0x2B00 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0x2BB2 1029 bytes
embedded_file_obj0043.bin
6f03c72de447e14766f0014f62267fed96f7ac22c54c485ead75824526a05793		 pdf-embedded-file PDF EmbeddedFile object 43 at offset 0x2DCB 1837 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x321F 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x32CB 77 bytes

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