PDF malware analysis — malicious · 510bb0a22deadd10

MALICIOUS

PDF

5.8 KB Created: 2010-08-29 16:19:36 Authoring application: asdasd dsadsa

MD5: 70befe8727421cfd9284a9353883e5bb SHA-1: d367244307ecf27b7f740e5cd3ea6681c8d4b155 SHA-256: 510bb0a22deadd103a015436358d38ac671e1442afd3a1a576207a8a5c96b86a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1059 Command and Scripting Interpreter T1059.001 Command and Scripting Interpreter: PowerShell

The critical ClamAV detection 'Pdf.Exploit.Dropped-81' strongly indicates a PDF exploit. The heuristic 'PDF_EMBEDDED_SCRIPT_PAYLOAD' further suggests that a script is embedded within the PDF stream, likely to download and execute a second-stage payload. The presence of multiple embedded files reinforces the nature of this dropper.

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 0x235	84 bytes
`embedded_file_obj0007.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 7 at offset 0x2EA	228 bytes
`embedded_file_obj0008.bin` `7256b77fc3f62ee4988b726c9c3af1c967cc870483c32573bf9209144d7b8dec`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x3DE	1028 bytes
`embedded_file_obj0009.bin` `c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x6B6	199 bytes
`embedded_file_obj0010.bin` `55d0b1eda004423fd6298040cffcdc40be48617de79840909651d6071832a8d8`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x7AD	10744 bytes
`embedded_file_obj0011.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x1114	77 bytes
`embedded_file_obj0012.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x11BF	56 bytes

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