> I'm now trying to convert all pdf in a folder to Markdown using a similar 
> approach:

Pandoc can't convert from pdf (see `pandoc --list-input-formats`). 

> 
> find ./ -iname "*.pdf" -type f -exec sh -c 'pandoc "${0}" -o 
> "${0%.html}.md"' {} \;
> 
> All that happens when I trigger the same for pdf conversion is terminal 
> then says:  
> 
> dquote>

This means that the shell is expecting a closing double quote (").

> 
> *Do I have to do a full pdflatex install, or is there a better formula 
> here? Thanks!*

pdflatex is used to convert *to* pdf, it can't be used to convert from
pdf. You could try to use `pdftotext` from poppler to extract text from
a pdf file, but it converts to plain text, not markdown.