PDF malware analysis — malicious · 1e83124cab6707e3

MALICIOUS

PDF

13.6 KB

MD5: 2f9fa132d68f35d2111b9f79bfce9a8b SHA-1: 1efab7a8fa7ef66d2f9c0b5ead5575e0bfa78e5e SHA-256: 1e83124cab6707e33d4cf87ffca38c1a599732b7b1a3ac7eb907cd4d8a8c3e86

114 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

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, which are common vectors for PDF exploits. The embedded URL, while seemingly benign, is present within the context of a malicious PDF, suggesting it may be part of the exploit chain or a lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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 0x28D7	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x2989	1029 bytes
`embedded_file_obj0043.bin` `cc9bf9b4bff960fcc875cced8773f18df40c06e7a9fe9a44ed7dafd435f6cc72`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x2BA2	1866 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x2FFA	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x30A6	77 bytes

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