Vulnerabilities Most Exploited by Cyber Attacks
Cyberattacks
Notably, applications interacting with PDFs are prone to cyber-attacks, since PDF files are one of the main file types cybercriminals target for phishing campaigns. Apps working with PDF files made up about 1 percent of the complaints in the report.
The U.S. government has been taking steps to counteract cybercriminals ahead of the midterm elections next week.

Description
This chart shows the most commonly exploited applications worldwide as of Q1 2018.