PDF malware analysis — malicious · 4c430e7637c91502

MALICIOUS

PDF

12.2 KB

MD5: 5a70c77abf58c910f5f401187168cbae SHA-1: 0df162b9dc69fe9b478cc2007bdbc59123942c1f SHA-256: 4c430e7637c915029a2d39b2782cf4d174cb4524c3dba45ac54e361b4bb90d10

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The critical ClamAV detection and the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic indicate this PDF contains malicious content. The embedded file and script suggest it's designed to exploit vulnerabilities and download a secondary payload. The presence of XFA form elements and embedded URLs, though some are benign, are common in exploit delivery PDFs.

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` `45879d668dd3df3b0189ecc6a52586ea8b0b9c32d5efdc9ba2bf210ce782dcea`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11763 bytes

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