PDF malware analysis — malicious · d6dc9a8a55cd0750

MALICIOUS

PDF

17.7 KB Created: 2010-08-29 16:19:36 Authoring application: styeZek colSnap

MD5: 3f6084c8e9c6c1cc7c9d9de4479d2db1 SHA-1: 2689b99dd175e90fe932061012a0f8d92ff5c02c SHA-256: d6dc9a8a55cd0750fa6469cc9e63ea84ec0b778e8e08738924b73ac9d4483cf4

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059 Command and Scripting Interpreter T1059.001 PowerShell T1204 User Execution T1204.002 Malicious File

The PDF file contains embedded scripts and is flagged as exploiting XFA forms, indicating a malicious intent to execute code. The ClamAV detection 'Pdf.Exploit.Dropped-81' strongly suggests this PDF is designed to drop a secondary malicious payload. The embedded script is likely responsible for this action, though its exact function is obscured by the PDF structure.

Heuristics 6

XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
ClamAV: Pdf.Exploit.Dropped-81 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-81
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/

Extracted artifacts 7

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x1E5	84 bytes
`embedded_file_obj0009.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x294	228 bytes
`embedded_file_obj0010.bin` `c40da1c78042370f28803fccac2922e9ac8f04f0cf43d6134a1bd36dbc903710`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x387	1239 bytes
`embedded_file_obj0011.bin` `c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x68B	199 bytes
`embedded_file_obj0012.bin` `e692d5870ae7e60ba45a6dbd73b9ab5d7270baeb95f2be47471529de0f96dd77`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x77D	34319 bytes
`embedded_file_obj0013.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0x424B	77 bytes
`embedded_file_obj0014.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x42F2	56 bytes

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