Marco Ramilli, founder and CEO at cyber security firm Yoroi has explained how to use Microsoft Powerpoint as Malware Dropper. Microsoft Excel embedding macros or Microsoft Word with user actions (like links or external OLE objects) are the main players in this Office Dropping Arena The attack-path is very close to what its observable on modern threats since years: eMail campaign with an attached document and actionable text on it.”]
Source: https://securityaffairs.co/wordpress/78111/malware/microsoft-powerpoint-malware-dropper.html