Access virustotal API. See https://www.virustotal.com/. Details about results of calls to the API can be found at https://www.virustotal.com/en/documentation/public-api/.
You will need credentials to use this application. If you haven't already, get the API Key at https://www.virustotal.com/.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.