Multiple serious vulnerabilities have been found in Adobe Acrobat and Adobe Reader. Malicious users can exploit these vulnerabilities to execute arbitrary code and gain priveleges.

Below is a complete list of vulnerabilities:

1. Use-after-free vulnerabilities can be exploited to execute arbitrary code;
2. Heap buffer overflow vulnerabilities can be exploited to execute arbitrary code;
3. Out-of-bounds write vulnerabilities can be exploited to execute arbitrary code;
4. Security Mitigation Bypass vulnerability can be exploited remotely to gain priveleges;
5. Out-of-bounds read vulnerabilities can be exploited remotely to execute arbitrary code;

Acrobat Reader DC (Classic Track) 2015.006.30394 and earlier versions
Acrobat DC 2018.009.20050 and earlier versions
Acrobat Reader DC (Continuous Track) 2018.009.20050 and earlier versions
Acrobat 2017 2017.011.30070 and earlier versions
Acrobat Reader 2017 2017.011.30070 and earlier versions
Acrobat DC (Classic Track) 2015.006.30394 and earlier versions 

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Adobe Security Bulletin

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.