PDF malware analysis — malicious · a111c1ec1d50e394

MALICIOUS

PDF

42.0 KB

MD5: a82189557603923f8f12033b01a6176f SHA-1: ebc7b9e919ad3752f7a02f5b6011299347e1f5a0 SHA-256: a111c1ec1d50e394a39416a43c1e5c06b5d9146f6a68d0cd9967b1e38b815082

186 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file was flagged by multiple heuristics, including ML classification and ClamAV, indicating it contains an embedded script payload. The ClamAV detection name 'Pdf.Exploit.Agent-36830' suggests it exploits a known PDF vulnerability. No document body text was available for analysis, but the presence of embedded artifacts and script payloads strongly suggests a malicious intent to exploit vulnerabilities and deliver further malware.

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` `88ba0b7ddef1977bc982f4aa4ad32b6df8182be0e27cb12593ab337721429642`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42258 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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