PDF malware analysis — malicious · 2f6b4641e624e416

MALICIOUS

PDF

13.1 KB

MD5: 26ce7fec8755819a5683a59e6292c71a SHA-1: 3ead31e41d993be77451ab8115dc1dd9c7b54e31 SHA-256: 2f6b4641e624e416392c2e8cdfe33229beb9e1e0ed2e5c4829e0fed0ba5a16c0

116 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment T1059.001 PowerShell

The critical ClamAV detection of 'Pdf.Exploit.Agent-36962' and the ML classifier's high confidence score strongly indicate malicious intent. The presence of embedded files and an XFA form further support this, suggesting the PDF is crafted to exploit vulnerabilities. The embedded URL, while seemingly benign, could be part of a larger exploit chain or used for command and control.

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/

Extracted artifacts 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x26BB	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x276D	1029 bytes
`embedded_file_obj0043.bin` `e7851af5e081c5f5c213de29bdc9f7a06a2e391a781bf5a9853e28c7c369149e`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x2986	1735 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x2D72	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x2E1E	77 bytes

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