PDF malware analysis — malicious · 23dd40b3d0886039

MALICIOUS

PDF

11.8 KB

MD5: 8662c86035305e9ee2fe8780dd3a100a SHA-1: 674b1b5ae12ca732374616791cd8a8abbf57c056 SHA-256: 23dd40b3d0886039d0570dd229acb89b46381f415468e64f394e26c45b317f93

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file was detected by ClamAV as 'Pdf.Exploit.Dropped-78', indicating it contains an exploit. Heuristics show an embedded script payload and an embedded file, suggesting the PDF is designed to drop and execute a secondary malicious file. The embedded URLs are not directly indicative of malicious activity.

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` `810674cbeba64829cb77434b29eb66aec00bf04cbbc10926b3ef3d2dd92282ae`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11333 bytes

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