PDF malware analysis — malicious · ef02cf8956f3d37a

MALICIOUS

PDF

18.8 KB

MD5: 7e948c0765b4fb766ef68cbb943a2fdc SHA-1: 3ae4df151186452313143df04782bab83361e0e0 SHA-256: ef02cf8956f3d37ad4fdd4ca79cc3f7aa407d1bf91acef69a7962da7bc0b749a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' strongly indicates this PDF is malicious. The presence of an embedded script payload and an embedded file further supports this, suggesting the PDF is designed to exploit vulnerabilities and drop a secondary payload. The exact nature of the exploit and payload is not fully discernible from the provided evidence.

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` `9a300c18eb3ecff72e8ddc10d59a6b5f5c0cc417267409b36f6edb40e6d19016`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	18488 bytes

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