PDF malware analysis — malicious · 8bdf9220ca098a62

MALICIOUS

PDF

19.0 KB

MD5: 5d11f056e03d4e93ecd13ee79291bac4 SHA-1: 9e51b73e1f291f810262177f7d037ec27be57026 SHA-256: 8bdf9220ca098a620e7a022266e29963b104a6b3d5d29d8685a676795d432dbd

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 presence of embedded files and XFA forms are common techniques for delivering exploits. While no specific script content was readable, the overall structure suggests it's designed to download and execute a second-stage payload.

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` `e89870b7d3c91117993806ce5d5a2faa0b04027609f3a94aeeb63546b21fbde1`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18714 bytes

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