Hi,

I had a quick test by converting one GeoTIFF into georeferenced PDF files with 
different parameters and opening results with Acrobat Reader and TerraGo 
toolbar.

For TerraGo the metadata must be in OGC_BP style and ISO style metadata must 
not exist (option BOTH does not work). What is odd is that TerraGo toolbar 
finds coordinates if I run gdal_translate with -a_srs
epsg:3067 but not if I run it with -a_srs epsg:32635.
There seems to something different in the PDF headers, here are short captures
from the beginnings of the files

EPSG:32635 which is not understood by TerraGo toolbar

%PDF-1.6
%<bh:ff><bh:ff><bh:ff><bh:ff>
7 0 obj
\<\< /CTM [ (0.5487347256) 0 0 (0.5487347256) (3409989.640548643)
(6956053.279989699) ] /Description (WGS 84 / UTM zone 35N) /Neatline 

EPSG:3067 which is OK for TerraGo

%PDF-1.6
%<bh:ff><bh:ff><bh:ff><bh:ff>
7 0 obj
\<\< /CTM [ (0.5487347256) 0 0 (0.5487347256) (3409989.640548643)
(6956053.279989699) ] /Description
\<FEFF0045005400520053003800390020002F00200054004D0033003500460049004E00280045002C004E0029>
/Neatline

Images are available here
http://latuviitta.org/documents/GDAL_OGC_32635.pdf
http://latuviitta.org/documents/GDAL_OGC_3067.pdf

-Jukka Rahkonen-

-Jukka Rahkonen-_______________________________________________
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