PDF malware analysis — malicious · 07de1c7857604f98

MALICIOUS

PDF

18.8 KB

MD5: 4795e89fe7dbe1122a9e6817d4c9db08 SHA-1: 36987cbe0e459aed866b4a98b9fa5c5aed1c9af8 SHA-256: 07de1c7857604f9894bfe336ba95a5b128890a7331de6a2995163c3c72030f5d

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file flagged as malicious by ClamAV and an ML classifier. It contains an embedded script payload and an embedded file, indicating it's designed to exploit vulnerabilities and download further malicious content. The presence of an embedded file suggests a dropper functionality.

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 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 script payload in PDF stream low 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 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` `8589b7135ac9615d71c090d3bbf6797cdc4f409eeeed959e69d49be9ee45d7a3`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18513 bytes

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