How does PDF malware work? | Malicious PDF’s Explained – What is a malicious pdf? In this episode we are going to talk about Malicious PDF’s. It’s hard to im...
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In this episode we are going to talk about Malicious PDF’s. It’s hard to imagine business proposals without PDFs. The PDF format is used in almost all companies to share business deals, company brochures, and even invitations. PDF is widely used because it’s flexible. It can contain text, image and codes at the same time. Many people don’t know but it’s even possible to play games in PDF files, such as tic-tac-toe, for example. The problem is that this flexibility has a dark side, which is exploited by hackers. So, opening a PDF file can endanger important information from your organization and even open a backdoor so criminals can access your devices.
Being the most common email attachment, PDF is commonly targeted to breach computer networks. Advanced forms of PDF malware are not easily detectable by Secure EMail gateways.
What is PDF malware? And how does it work?
PDF's have the ability to deliver rich content (static and dynamic).
Combined, these elements can deliver visually appealing interactive, and portable documents. While we have all benefited from this feature-rich information-sharing venue, there exists a darker side. The dynamic PDF capabilities mentioned above can and have been used to house malicious content. In previous years, cybercriminals embedded malicious script to install malware and steal user credentials.
Normally, the PDF malware’s malicious behavior is in a script that is embedded In PDF files. The scripts that are responsible for malicious behavior can be written in a scripting language that PDF supports. JavaScript is the most popular for this purpose. In most cases, the embedded scripts are responsible for dropper functionality, or else there is a need to install an OS-based malware on the victim’s system.
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