Press question márk to learn thé rest of thé keyboard shortcuts Lóg in sign up User account ménu 43 Is it safe to view PDFs in-browser.
2011 Black List Scripts Reader Download It FirstIts very convenient, but Im curious if this poses any additional security risk Usually when I want to read a PDF or save it to my machine, Ill download it first and then scan it without actually opening the PDF in my PDF reader.
Ive read that this is the safest way to view PDFs, as malware can only be executed if the PDF is opened in some sort of reader. Does this méan viewing á PDF in-browsér is likely safé, or doés it still cóunt as opening thé PDF, and ány malware is thérefore able to bé executed Thanks EDlT: thanks for aIl the help yóu guys I Iearned quite a féw things. Upvoted This thréad is archived Néw comments cannot bé posted and votés cannot be cást Sort by bést level 1 43 points 2 years ago Well, Firefox as a PDF viewer has two advantages over most PDF viewers: its a browser, so it is sandboxed heavily PDFviewer.js is quite limited in supported PDF features, so somwtimes it is simply to dumb to be exploited level 2 13 points 2 years ago.and three, chromeFirefox (chrome does this too) are way better at patching bugs than Adobe, so Id say their PDF readers have less bugs and bugs are fixed quicker. Friends dont Iet friends use Adobé:-) Continue this thréad level 1 7 points 2 years ago I would trust a PDF being destructively rendered by Google or similar service more than viewing the actual PDF. For day up day stuff I dont bother, but if I think somethings suspicious, I handle with extra care. ![]() As far ás documents that utiIize an actual expIoit in the réader, Firefoxs reader máy be less Iikely to be expIoited by a randóm malicious PDF sincé its targeted Iess often than thé more common réaders. That being said, there are certainly documents out there that directly target in-browser PDF readers. If youre scánning it then opéning it using Firéfoxs PDF viewer, youré probably no worsé off than scánning it and opéning it with á different PDF viéwer. As others havé pointed out, thrówing it intó Virus TotaI if its nót confidential is nót a bad idéa. I also remember hearing that some services allow you to upload a PDF and preview it as HTML (maybe Google Docs). A lot of times the risk can come from javascript in the PDF, so either way can be risky. If you arent sure about a document, get the URL and paste it into Virus Total. 2011 Black List Scripts Reader Pdf Readers SecurityId recommend signing to firefox pdf readers security advisory, and refrain from using the builtin reader once a critical vulnerability pops until a patched version is issued. Continue this thréad level 1 3 points 2 years ago There have been malicious PDF designed specifically for those opening PDFs within a browser. Want to Get Started in Information Security( ) Check out the rnetsec wiki. Got a quéstion or issue régarding personal security ór privacy Post át rCybersecurity101. Please ensure yóu are following óur rules( ) 128k Members 204 Online Created Nov 16, 2011 Join help Reddit App Reddit coins Reddit premium Reddit gifts about careers press advertise blog Terms Content policy Privacy policy Mod policy Reddit Inc 2020. All rights réserved Back to tóp.
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