PDF malware analysis — malicious · 1e5f9219257b679c

MALICIOUS

PDF

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

MD5: 7c6aa2c25066608142e643da224fd42f SHA-1: 961a3d0a96694af6052f730c7f06881d706f18af SHA-256: 1e5f9219257b679c01b00ce52c3d17cd0184def40329dc6c95d871b9349619ef

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file exhibits multiple indicators of malicious activity, including embedded files and scripts. The critical ClamAV detection 'Pdf.Exploit.Dropped-81' strongly suggests the file is a known exploit dropper. The embedded script payload, though not fully detailed, combined with the embedded files, points to a multi-stage attack designed to deliver a secondary payload. The lack of specific script content prevents a more detailed rationale on the exact execution flow.

Heuristics 4

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

Extracted artifacts 7

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0006.bin` `d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x234	84 bytes
`embedded_file_obj0007.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 7 at offset 0x2E9	228 bytes
`embedded_file_obj0008.bin` `ff1e5f91234117aab7bf6b6f678ea83cb7147173ef81fd552ff3e9b1541da307`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x3DD	1264 bytes
`embedded_file_obj0009.bin` `c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x716	199 bytes
`embedded_file_obj0010.bin` `e9da2ace84eaa7c66572f9caa677a33df6dfd77376c8e6f8823cc6ecd1a3f736`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x80D	10395 bytes
`embedded_file_obj0011.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x113E	77 bytes
`embedded_file_obj0012.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x11E9	56 bytes

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