Fuzzing PDFs like its 1990s This is the fuzzer I made to fuzz Preview on macOS and iOS like 8years back when I just started fuzzing things Some disclosed vulnerabilities: CVE-2015-3723 CVE-2016-1737 CVE-2016-1740 CVE-2017-7031 Info The basic idea of this fuzzer was to mutate the streams of the pdf files without screwing the PDF Structure as a whole I collected some hundreds