title: how to find direct link of PDF file called through XHR
body: <p>Is it possible to retrieve download link of PDF files on any of following links? </p>
  
  <p>I captured send/request data between browser and WiFi adapter, but I couldn't find anything helpful from the logs.</p>
  
  <pre><code>http://ce-lib.iust.ac.ir/ViewFile.aspx?id=8355
  http://ce-lib.iust.ac.ir/ViewFile.aspx?id=8117
  http://ce-lib.iust.ac.ir/ViewFile.aspx?id=8030
  </code></pre>
  
  <p>Thanks in advance</p>