While the specific contents of this "Special Pack" can vary depending on where you downloaded it, files with this naming convention typically fall into a few categories:
A collection of brushes, fonts, or stock elements for creators.
If this is part of a larger set (e.g., Pack 1 of 5), ensure you have all subsequent volumes in the same folder before extracting.
Before extracting, always run the .rar file through a scanner like Windows Defender or VirusTotal .