PDF malware analysis — malicious · dd49197c8c22ccfd

MALICIOUS

PDF

14.4 KB

MD5: eba8448c7f0e6c05551c396949346b11 SHA-1: 51ec5fe51c55cf0329945d2e91988e6d5ed6b517 SHA-256: dd49197c8c22ccfd88b920adcd8de646d32d4a1b0fc5b21fbf9e5da0a7cfd9af

116 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File T1566.002 Phishing: Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV with the signature Pdf.Exploit.Agent-36962. It contains embedded files and an XFA form with an action trigger, indicating it's designed to exploit PDF vulnerabilities. The embedded URL, while seemingly benign, is part of the exploit infrastructure.

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 0x2BFC	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x2CAE	1029 bytes
`embedded_file_obj0043.bin` `faa63921e590ea6bc90ca48253be80b8e3600b93abfeb0f6b1a36c7ef4849973`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x2EC7	1796 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x3312	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x33BE	77 bytes

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