Adolix Split and Merge PDF is a free utility that will help you modify your existing PDF files. You can split or merge multiple documents with this utility. This is useful; for instance, if you want to merge some pages from an older PDF file, or merge 2 or more documents into a new single PDF file. You can do all that with only a few mouse clicks.
However, you cannot merge more than 5 PDF files using this free version. Features included are: Combine PDF files into a single document, You can even append encrypted PDF files to another PDF, Split PDF files using a customized pattern (similar to Word printing), Process password protected PDF files.( Via - uploadsblog)
Download (1.83Mb) Adolix Split and Merge from the following link