Adaptation of the opsi-template scripts for Adobe Reader.
Get it here: http://get.adobe.com/reader/enterprise/

Unpack the downloaded installer, with something like Total Commander.
It contains these files: Data1.cab, setup.exe, AcroRead.msi, ABCPY.INI, Setup.ini.
There is no need to change the .ini files.

Tree:
|-- files
|   |-- shexview-x64
|   |   |--readme.txt
|   |   |--shexview.chm
|   |   `--shexview.exe
|   |-- shexview-x86
|   |   |--readme.txt
|   |   |--shexview.chm
|   |   `--shexview.exe
|   |--ABCPY.INI
|   |--AcroRead.msi
|   |--Data1.cab
|   |--setup.exe
|   `--Setup.ini
|-- adobe-reader.png
|-- delsub3264.ins
|-- setup3264.ins
|-- shellfolders3264.ins
`-- uninstall3264.ins