Just added from AnyDwg is Any PDF to DXF Converter. It allows you to batch convert PDF files to DXF. The converted DXF file can be imported into AutoCAD and saved as a DWG file. A great utility to recover lost files or import drawings to save drafting time.
Other features include:
AutoCAD is NOT required -self running program
Batch converts all pages in each PDF file.
Even restores the layers in PDF
Converts PDF text to AutoCAD text
Converts Pdf entity types like polylines, polygons..
Extract embedded raster images from PDF files.
Batch convert PDF files to DXF files in 1 easy step
High quality, high performance, and simple to use.
... read more about »PDF files to DXF/DWG by AnyDwg