PDF malware analysis — malicious · 5a26c52f26571095

MALICIOUS

PDF

42.3 KB

MD5: 3f1779701bd8b376dc39e6362c76d94e SHA-1: 0713d7c946cfc445324042c21144af0a1068755a SHA-256: 5a26c52f2657109580c079ce13729cf3393bc8cbeb3f08a4e74373682cef2107

156 Risk Score

Malware Insights

MITRE ATT&CK

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

The critical ClamAV detections indicate this PDF file is malicious, specifically identified as Pdf.Exploit.Agent-36830. The presence of an embedded script payload and an embedded file further supports the conclusion that this document is designed to exploit vulnerabilities and deliver a secondary malicious payload. The embedded script logic appears to be obfuscated, making a precise determination of its actions difficult, but the overall pattern suggests a typical exploit delivery mechanism.

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` `6cd41bd18a0076ee1ffb236aacb6d92b4748014430d6725c9d76474850e369bf`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42607 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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