PDF malware analysis — malicious · e714bbc9b22585ac

MALICIOUS

PDF

15.2 KB

MD5: 389d2788758c0a8b902959e00be18a0f SHA-1: ed6463ad90d318c2464fc262465cd81927644755 SHA-256: e714bbc9b22585ac0f85b9d5f689fe582c81079c66abf96de765cf013373efac

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV and an ML classifier, indicating it likely exploits a vulnerability. The presence of an embedded script payload and an embedded file further supports this assessment. The embedded URLs, while not directly malicious, are associated with the PDF structure.

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` `c43e2e07be73c4a5d4777014c93538065dd6ad76f23c279a738539d3b48eee07`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	14777 bytes

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