PDF malware analysis — malicious · cf5a479074506977

MALICIOUS

PDF

42.7 KB

MD5: 7e1e4203a31edf8277f3addce1c0a625 SHA-1: 4ddf7af95149e16547baea393d228219841f4d8a SHA-256: cf5a479074506977b48e018b46eb3cc830661d049bc541b9ad7cb9e3bf9c5ddb

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The file is a PDF document identified by ClamAV as Pdf.Exploit.Agent-36830. It contains an embedded script payload and an embedded file, indicating an attempt to exploit a PDF vulnerability. The script's obfuscated nature prevents a detailed analysis of its specific actions, but its presence strongly suggests it is responsible for executing the embedded malicious artifact.

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` `d9ab0f419e873318dc1b11aa35f55dc7277ad4eb214af5f9341cffa91ef7af40`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	43020 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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