/usr/share/texlive/texmf-dist/scripts/arara/ is in texlive-extra-utils 2015.20160320-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/texlive/texmf-dist/scripts/arara/arara.jar
/usr/share/texlive/texmf-dist/scripts/arara/arara.sh
/usr/share/texlive/texmf-dist/scripts/arara/rules/
/usr/share/texlive/texmf-dist/scripts/arara/rules/biber.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/bibtex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/clean.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/dvips.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/frontespizio.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/latex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/lmkclean.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/lualatex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/lualatexmk.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/luatex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/make.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/makeglossaries.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/makeindex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/nomencl.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/pdflatex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/pdflatexmk.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/pdftex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/ps2pdf.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/sketch.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/songidx.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/tex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/xelatex.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/xelatexmk.yaml
/usr/share/texlive/texmf-dist/scripts/arara/rules/xetex.yaml