Search result to show link to the page not to the pdf file
First, I can't install the Search File Attachments module at this moment, but you can read at the module's page:


  The module is based on the core search and no other module is
  required.


And I don't see any template page inside the module.

As in the search-result.tpl.php you will only have access to the $snippet variable, this is not a solution for you, because $snippet is a string, see the code inside search-result.tpl.php:

&lt;?php if ($snippet): ?&gt;
  &lt;p class="search-snippet"&lt;?php print $content_attributes; ?&gt;&gt;&lt;?php print $snippet; ?&gt;&lt;/p&gt;
&lt;?php endif; ?&gt;


So your best bet should be implement the template_preprocess_search_results() in the template.php file of your theme.

See this example:

function THEME_preprocess_search_result(&amp;$variables) {
    dpm($variables); //you need devel module to use dpm
}


Inside $variables['result'] you will have the values that you need to make your modification. See the dpm() output:



If you want modify the $snippet variable then change the value inside the function like this:

function THEME_preprocess_search_result(&amp;$variables) {
  //searching the info that you need
  $variables['snippet'] = 'The new value';
}