There are many PDF recovery tools available in the market that can help you recover PDF files in bulk with attachments. Here are some of the best tools that you can use:

1. Data Recovery Freeware PDF Recovery Tool: this is a powerful software that can recover multiple PDF files with attachments. It supports batch recovery of PDF files and can recover various types of PDF files, including text-based, image-based, and corrupt PDF files. It can also recover text, images, tables, hyperlinks, and other data from corrupt PDF files.

2. Aryson PDF recovery: is a professional PDF recovery tool that can recover PDF files in bulk with attachments. It supports batch recovery of PDF files and can recover various types of PDF files, including text-based, image-based, and corrupt PDF files. It can also recover text, images, tables, hyperlinks, and other data from corrupt PDF files.