PDF malware analysis — malicious · 7b0c68a539bddc83

MALICIOUS

PDF

42.4 KB

MD5: 5dd6ddc828e4cfe062ed61db3848e13e SHA-1: 1dc38277e0a569ad13974bfc933229dba0c082c8 SHA-256: 7b0c68a539bddc83ba08bf2f28b3e90a6200da724582f87b5f3efe3ed4b2cc43

156 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-36830. Static analysis revealed embedded content, including a script payload within a PDF stream, indicating an attempt to execute malicious code. The embedded script likely downloads and executes a second-stage payload, which is a common technique for PDF-based malware delivery.

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` `13508aa772c3dbc2d32a8b7d24a856f4b27272ac456a655026e0a11e726ad044`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42636 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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