Possible SolidPDFCreator.DLL Sideloading (via image_load)
This rule detects potential DLL sideloading of "SolidPDFCreator.dll"
SigmamediumWindowsv1
sigma
possible-solidpdfcreator-dll-sideloading-via-image-load
title: Possible SolidPDFCreator.DLL Sideloading (via image_load)
id: f5cf3cb2-6487-5b56-8506-64906cb6d7f2
status: stable
description: This rule detects potential DLL sideloading of "SolidPDFCreator.dll"
references:
- https://attack.mitre.org/techniques/T1574/001/
- https://lab52.io/blog/new-mustang-pandas-campaing-against-australia/
author: Huntrule Team
date: 2026-05-01
tags:
- attack.persistence
- attack.privilege-escalation
- attack.execution
- attack.stealth
- attack.t1574.001
logsource:
category: image_load
product: windows
detection:
selection:
ImageLoaded|endswith: '\SolidPDFCreator.dll'
filter_main_path:
Image|endswith: '\SolidPDFCreator.exe'
ImageLoaded|startswith:
- 'C:\Program Files (x86)\SolidDocuments\SolidPDFCreator\'
- 'C:\Program Files\SolidDocuments\SolidPDFCreator\'
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.