If you have an outdated version of adobe PDF then yes it can be exploited by malware and viruses.
update your software by running Secunia Online Software Inspector
I don't think PDF files can be subject to malware infections, because they are read only. ---- The first answer may be incorrect according to the following link: http://blogs.eweek.com/cheap_hack/content/malware/no_anti-virus_progress_on_yesterdays_malicious_pdf.html
Spyware is not destructive like a virus or other malware. It doesn't harm you computer or files, but it may transmit information to places you don''t want it to go.
Malware and virus can infect all kinds of files.
Maleware Bytes is a great spyware maleware virus for Androids.
spyware
malware spyware and Trojan
I can give you 3 there is adware, spyware and malware
Because you probably have a virus/spyware/malware on your machine.
Answer An anti-virus program will in theory keep viruses from infecting your computer. A virus is a type of malware. Malware is any malicious code that deletes files, steals personal information or does anything that harms the user. Different types of malware include iviruses, spyware, adware, worms and Trojan horses. Spyware is a type of malware and an anti-virus program is not promoted as a program likely to detect most spyware programs. However, anti-virus programs have been known spyware, I wouldn't trust your run of the mill anti-virus program to protect my banking information. If you are worried about real spyware threat I suggest you run an Internet security program instead of an anti-virus program. Internet security programs are programs with a number of tools that detect a wide range of different types of malware. I recommend using Avast Internet Security. To help stay safe online do not visit adult sites, bank online, open suspicious emails or try and download files illegally. This means if you want a movie, television show for example just pay for it.
Antivirus software will notice about the virus,malware,spyware etc
MALWARE, SPYWARE, DECOMPRESSION BOMB, goggle.com, youareanidiot.org and other.
Malwarebytes is one of the most popular programs used to remove malware, spyware, and viruses. It has been rated over 6,000 times, and has a rating of 4.5 stars out of 5.