Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0f6a20f0a604637…

MALICIOUS

PDF

14.0 KB
MD5: 3e863b7b966f5fbb644ab0ab69f8c9f0 SHA-1: 5ee92ed3733e3cba9516cf4caf46f6e6089d955b SHA-256: f0f6a20f0a6046373fdcf8fb2049449bd2a0cb9f106039f59e952a94b87da05f
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The critical ClamAV detection of 'Pdf.Exploit.Agent-36962' strongly indicates a PDF exploit. The presence of embedded files and an XFA form further supports this, suggesting the document is designed to trigger a vulnerability and download or execute a secondary payload. The embedded URL, while benign in reputation, is associated with the document's structure.

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/

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 0x2A13 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0x2AC5 1029 bytes
embedded_file_obj0043.bin
89a3a925b2d08f5bdd758771f9b55433d5f98e602dc9aa7fdd543e21d016511f		 pdf-embedded-file PDF EmbeddedFile object 43 at offset 0x2CDE 1926 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x3168 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x3214 77 bytes

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