If you don't believe there's some organising principle, or somebody up in the sky pulling the strings, then it can be very stressful. And nature itself is very arbitrary - it's not malevolent or benevolent; it doesn't even know we're here.
Spiders - the way they move freaks me out. It's so malevolent.
For nobody is curious, who isn't malevolent.
Seeing my malevolent face in the mirror, my benevolent soul shrinks back.
The most blatant forms of denialism are rarely malevolent; they combine decency, a fear of change, and the misguided desire to do good - for our health, our families, and the world. That is why so many physicians dismiss the idea that a patient's race can, and often should, be used as a tool for better diagnoses and treatment.
All the dark, malevolent Passions of the Soul are roused and exerted; its mild and amiable affections are suppressed; and with them, virtuous Principles are laid prostrate.
Outside the walls, among others, is the Soviet Empire. It is malevolent, destructive and expanding. It has swallowed up over half a dozen countries since World War II.
When kindness has left people, even for a few moments, we become afraid of them as if their reason had left them. When it has left a place where we have always found it, it is like shipwreck; we drop from security into something malevolent and bottomless.
The science-fictional motif of lethal, infectious information - bad memes - is a fascinating one, with an extended history. One of the earliest instances is Robert W. Chambers's 'The King in Yellow' from 1895. Chambers's conceit is a malevolent play: read beyond Act II, and you go mad.