PDF malware analysis — malicious · d2fd7c15cad8112c

MALICIOUS

PDF

42.4 KB

MD5: b60931fa3cf07294c8a05cd5d5f01278 SHA-1: aeaf7540476f51e5004cd0c55d518a8f4e298e62 SHA-256: d2fd7c15cad8112c509a3ef0c8d923d589855c115d52b8fb9422a556c06ba131

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The PDF file was flagged by multiple high-severity heuristics, including ML classification and ClamAV detection, indicating it contains a malicious exploit. The embedded artifact and PDF-specific exploit rules confirm the nature of the attack. The ML classifier output of 0.999995 provides high confidence in the malicious nature of the file.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `585af294269fa7395eb76665d79b7faee7b4a4f3e57d12a6645bb6ac7c917718`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	42697 bytes
Detection ClamAV: Pdf.Exploit.Agent-36830 Obfuscation or payload: unlikely

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