PDF malware analysis — malicious · 0f24e739a022b823

MALICIOUS

PDF

15.4 KB

MD5: 0048a1d9f61c9ec88b46f6b733b63b7c SHA-1: 4bc66664223987d00841d73d3cfcdda625226700 SHA-256: 0f24e739a022b82379ef5662e88e872b9df8133bb278642fa38a5e6a5a44d0f7

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF was flagged by ClamAV as Pdf.Exploit.Dropped-78 and a machine learning classifier indicated a high probability of maliciousness. It contains an embedded file and XFA form, suggesting it is designed to exploit vulnerabilities for client execution, likely delivered via spearphishing.

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 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 script payload in PDF stream low 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 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` `6e72dd431581c6fced2c4de7f0d4cb055a6bd1ebc90d41f02b80a89344372cd0`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	14979 bytes

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