Simple, it's a section that will supposedly be mapped as paged memory. This can contain code or data and is governed by the PAGED_CODE macro, among others, at source code level.
That is, whatever gets stored in that section cannot be accessed at arbitrary IRQLs. Quote:
If the IRQL > APC_LEVEL, the PAGED_CODE macro causes the system to ASSERT.
Also see ...
official way is as pointed out by other answers use symchk.exe from windbg installation
but you can also fetch it by putting together few dbghelp and winsock functions
find below a poc that uses wget.exe