Bulk-Extractor Bulk-Extractor tool which is to be used when you have to extract features like E-Mail address, URLs, Confidential Document Numbers from files. This tool is used for Intrusion investigations, malware investigations, identity investigations, or any other kind of cyber investigation. The awesome feature of working with compressed or corrupt files makes it a great tool to work with those files. IT works on disk images, files, or a directory of files and finds out the useful information. To use Bulk-Extractor: Enter the following command in the terminal. bulk_extractor