PDF malware analysis — malicious · 3302970bd0a7c674

MALICIOUS

PDF

42.6 KB

MD5: 148bb2df0b53b55bad4cc8a50abf6f0a SHA-1: 8f9b5fe88c2cc89093e59642726a55f0c40a3a8f SHA-256: 3302970bd0a7c674990aa9da37e1c269c0eb41658618745a205c589314d2bf5e

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment

The PDF file was flagged as malicious by multiple engines, including ClamAV which identified it as Pdf.Exploit.Agent-36830. Heuristics indicate the presence of an embedded script payload and an embedded file, suggesting it's designed to exploit vulnerabilities. The ML classifier output of 0.999995 further supports its malicious nature. No specific script content was readable to determine the exact payload delivery mechanism.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

ClamAV: Pdf.Exploit.Agent-36830 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36830
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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
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://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `9309063ca166dbfc0392d73f7e08720bfd60ae6bcf7f3e6ac84cae17bcfa539d`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42824 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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