PDF malware analysis — malicious · fc4194ce135d1230

MALICIOUS

PDF

11.9 KB

MD5: 4e519bc350239fbcc0475551182bf337 SHA-1: 017f1f07dead06896e95e35b5779854898834a54 SHA-256: fc4194ce135d12301c8891662d4aa869491b82f1f0d19db357005c01c35453dd

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' and the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic indicate that this PDF contains an embedded script designed to exploit vulnerabilities. The embedded file and XFA form further support the malicious nature of the document. The embedded URLs are not directly indicative of malicious activity but are present in the document.

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` `22599b224ff64475d660ccdb6e476262d1089db10df308957dd8e7b8d117ba69`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11465 bytes

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