PDF malware analysis — malicious · dce2a744b00bc2de

MALICIOUS

PDF

27.1 KB

MD5: c0ddc2e97265a36c0bcea0913da62105 SHA-1: 46f2f9b05245f683754ce05beb2eada326123196 SHA-256: dce2a744b00bc2de17c4e0827405cc97cc9fd8ea6d75d26fd3f5f0089060f70c

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV with a high confidence score. It contains embedded script payloads and is classified as a PDF exploit. The presence of XFA forms and embedded files suggests a complex attack vector, likely for delivering a second-stage payload.

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` `8b66dd3c8291f3dc178dba953e6a2ef2098b3f82eaca3918153da9d527a88625`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	26992 bytes

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