PDF malware analysis — malicious · 9b741cf5bba082a8

MALICIOUS

PDF

18.9 KB

MD5: 93b851b5f4a1c3a310a9a496ba038b2e SHA-1: 9ce2366773bdb47e566535838dcbb814075ebb3a SHA-256: 9b741cf5bba082a85d2e00b55dec9a4151e8abea59b57581066e4d0b601d6a99

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' and the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic strongly indicate that this PDF contains and executes a malicious script. The embedded file artifact further supports the delivery of a secondary payload. The document body content is obfuscated and does not provide clear user-facing lures.

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` `e7a80ec03590d9eac9e8ec4e1d83734476183ca49f0639f1e42f487f8bf60c61`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18644 bytes

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