PDF malware analysis — malicious · 3a948c4ea1465011

MALICIOUS

PDF

12.2 KB

MD5: 454de5e1a110d2b7fa9ffc27e1dd7814 SHA-1: 6db0cb5eccfc0c950bf04126247d367aeccbf0aa SHA-256: 3a948c4ea1465011bf14cd29816ade898af99ee8dd068b2eb1c2c8976897f0d8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF contains an embedded script payload and is detected by ClamAV as Pdf.Exploit.Dropped-78, indicating it is designed to exploit a vulnerability and drop a secondary payload. The presence of XFA forms and embedded files further supports its malicious nature. The embedded URLs are not directly indicative of malicious activity but are part of the PDF structure.

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` `4c560faa7a88cd320a7b25bdcb001c70d2b39368186d3488e80ccdaa7f69dea7`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	11774 bytes

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