PDF malware analysis — malicious · 2120d3a20ec6d27b

MALICIOUS

PDF

11.9 KB

MD5: f92c69fa88f0b5a66db0a2fd25324dd9 SHA-1: 967e939aa4e25a95bdeebc0745a3e65e92ff506c SHA-256: 2120d3a20ec6d27bfcab156f353c051da8c2d26fd302d9c6ed75e144c8565e9a

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The critical ClamAV detection and high ML classifier score strongly indicate malicious intent. The PDF contains embedded content and scripts, typical for exploit delivery. While specific script functionality is not detailed, the presence of embedded exploits suggests the file aims to compromise the user's system upon opening.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `42bee07603e1f7ba031fcfeafb888c5c802cf5edae849c024d7d63eabd49ef4c`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	11464 bytes

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