PDF malware analysis — malicious · d0f5e7b051b23ee9

MALICIOUS

PDF

42.6 KB

MD5: 856784b1834cfc4d133b9e2bb9aaf9f2 SHA-1: d59f6c51d1b26633c63ea990d335d32b196d567d SHA-256: d0f5e7b051b23ee95de495fae6586ae5b1eae69660fd7f551efa9d0c8bb84405

156 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The critical ClamAV detection 'Pdf.Exploit.Agent-36830' strongly indicates a known PDF exploit. The presence of an embedded script payload and an embedded file further supports this, suggesting the PDF is designed to download and execute a malicious second-stage payload. The embedded URLs are benign or unknown, and the document body is not human-readable text, so the rationale is based on the exploit and embedded artifacts.

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` `68e9a3ef9cba2a8fb6e7c9004053d6228e2a1afeb2d768740b28cfdb1d13b267`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42900 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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