Is it possible search mutliple phrases in PDF at one time? For instance let's say that I have few literals to look for inside pdf: 0123, BOOM, TAG, LOREM, IPSUM.
Is it possible to find them in one search?
I can't tell from the question if you're looking for a document with ALL the terms or a document with ANY of the terms but either way a tool like Agent Ransack would do the trick:
To search for ANY of the terms you'd search for:
0123 OR BOOM OR TAG OR LOREM OR IPSUM
E.g.

Alternatively if you wanted to search for ALL the terms simply remove the ORs, ie search for:
0123 BOOM TAG LOREM IPSUM