PDF malware analysis — malicious · 33c9589a826ac3a5

MALICIOUS

PDF

11.9 KB

MD5: 8cfc0fcbccb41932b233a8cc905f712d SHA-1: de9cdf6b4e8be6a09c14ddaaceb8932d0d31823f SHA-256: 33c9589a826ac3a52dfb4f04cf497bad9465ef7e0132543ae77a8aa2a4bb435e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The critical ClamAV heuristic 'Pdf.Exploit.Dropped-78' strongly indicates this PDF is malicious and designed to exploit vulnerabilities. The presence of an embedded script payload and an embedded file further supports this, suggesting the PDF is a dropper for a secondary malicious component. The document body content is obfuscated and does not provide clear user-facing lures.

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` `7afe78bbb52f3aa2927367619b7a956be675435866248e51096e9cb094946c1d`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	11447 bytes

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