PDF malware analysis — malicious · b3bea10ca9fdd5cc

MALICIOUS

PDF

11.8 KB

MD5: 5fb6911b1d170b88f3a92361615d582a SHA-1: 7af1e81b515090037b5f127a4cfaf71130392d15 SHA-256: b3bea10ca9fdd5ccded5dd3b4b23e710e1a6388b0eb7f49ef8c5c358ac9e965a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' strongly indicates malicious intent. The presence of an embedded script payload and an embedded file further supports this, suggesting the PDF is a dropper for further malicious content. The document body is not human-readable and contains no discernible lure.

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` `475388214246c7207e8074e0c585be299f33aa4e5dcaa07fb26713c4bd03f9b0`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11325 bytes

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