PDF malware analysis — malicious · 5a1e0f05dcf4c9ef

MALICIOUS

PDF

19.4 KB

MD5: 9591e32a8c8e7e6aa93fbea15dcf9d31 SHA-1: de8652092ccc66833463f6e80452a8189fbbd55b SHA-256: 5a1e0f05dcf4c9efbcb06f3bcb2dc6f86cc7a8d108f1dff00dea9b3681fb2a2b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF contains embedded script content, indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. ClamAV detection 'Pdf.Exploit.Dropped-78' further confirms its malicious nature. The embedded file 'embedded_file_obj0008.bin' is likely the delivered payload. The XFA form and embedded file suggest a delivery mechanism for malicious content.

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` `0e41cd5feb1f5fce42ad2d50140f2025e4d22e59f20c8d374f66ebbdb94a1022`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	19152 bytes

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