PDF malware analysis — malicious · cf47677935f892b5

MALICIOUS

PDF

42.4 KB

MD5: 436de4b8c3e79649be9cfe909b3c6745 SHA-1: b1d991f9a1bdddf7dfdb5c882a28c9585bc4dcad SHA-256: cf47677935f892b55bef0971cd14aad9e170b38d9e6c73c489142a65a69673d7

156 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF was flagged by ClamAV as Pdf.Exploit.Agent-36830, indicating a known exploit. It contains an embedded script payload and an embedded file, both common techniques for delivering malware. The embedded script is heavily obfuscated, making its exact function difficult to determine, but the overall structure points to a malicious exploit 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` `e053993023a392ac48e31f0856c7bed5e054135030e9333ae5e2cc58b7a8b7c8`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42683 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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