/usr/bin/ps2pdf12 is in ghostscript 9.06~dfsg-2+deb8u7.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | #!/bin/sh
# Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible).
ps2pdfwr="`dirname \"$0\"`/ps2pdfwr"
if test ! -x "$ps2pdfwr"; then
ps2pdfwr="ps2pdfwr"
fi
exec "$ps2pdfwr" -dCompatibilityLevel=1.2 "$@"
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