Recovering a lost password from a PDF document using Linux command-line tools can be tricky, especially if the PDF is encrypted with a strong password. However, if you have permission to access the PDF and are simply trying to recover a forgotten password, there are a few tools you can use. Here’s a step-by-step guide on how to do this.
### Prerequisites
Make sure you have the following tools installed on your Linux system:
1. **pdftk**: A


