PDF malware analysis — malicious · 96453d915641dd4b

MALICIOUS

PDF

11.9 KB

MD5: f735621056a2f44c120c021553439a57 SHA-1: 2c2aaecf6d17a1f0846a1e123b4b4aa07d8de1e1 SHA-256: 96453d915641dd4b053453c8ea3a746ad89d4fc79d2ac737a1a780d8ecd8d072

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is identified as malicious by ClamAV (Pdf.Exploit.Dropped-78) and a machine learning classifier. It contains an embedded script payload and is structured as an XFA form, both common techniques for PDF-based exploits. The embedded file further suggests a dropper or exploit delivery mechanism.

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` `013bf44e7aba562a2436846af8371b6155adaddd5fd236d6f5ad10878422e143`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11445 bytes

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