PDF malware analysis — malicious · e7b4c39bff297b2e

MALICIOUS

PDF

12.4 KB

MD5: 9ee61f349c20ab760e17c250eaf23116 SHA-1: e0841364388690e6f133f5667138a87092d3d6d9 SHA-256: e7b4c39bff297b2eb22821ec22177abdc224bc7f5cd11fa5a423bf09cda80f92

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The file is identified as malicious by ML classifiers and ClamAV, specifically as Pdf.Exploit.Dropped-78. It contains an embedded script payload and an embedded file, indicating it's designed to drop and execute further malware. The PDF structure and embedded content strongly suggest an exploit delivery mechanism.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
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` `e5b9b3d5af9b70cd4384f12051a41b5c4fabdbc811a399ac5bc79cda7d8aec36`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11956 bytes

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