Malicious PDF — malware analysis report

Static analysis result for SHA-256 f011811cbd8b4336…

MALICIOUS

PDF

45.7 KB Created: 2021-04-03 08:56:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-25
MD5: f3e99ba1f319c208188706676b0e6657 SHA-1: 152c11381cfa58cb2b7e26d1b1057acbfaa25e98 SHA-256: f011811cbd8b4336a1e85fecbc5d25b07b833a3bbcc84fc769f96bfaea988a9e
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded URLs and text that collectively form a link farm designed to lure users into clicking on promises of free in-game currency or hacks for Roblox. The primary heuristic indicates this is a game-hack scam, and the ML classifier strongly supports maliciousness. The document body is composed entirely of these malicious URLs, suggesting the primary function is to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9434

Heuristics 5

  • PDF carries distributed game-hack scam link farm critical PDF_GAME_HACK_SEO_LINK_FARM
    PDF contains a free-generator/game-hack lure together with many external PDF links spread across distinct hosts whose filenames advertise game hacks, cheats, jailbreaks, generators, or free currency. This is a high-confidence scam/SEO-poisoning carrier: the PDF exists to route users into malicious or unwanted download/redirect chains, not to present normal document content.
  • PDF carries game-hack generator link farm medium PDF_GAME_HACK_LINK_FARM
    PDF contains a gaminggenerator.org app lure together with multiple external PDF links whose filenames advertise game hacks, cheats, jailbreaks, or generators. This is a lure/delivery link farm rather than a PDF exploit: the risk is the linked redirection chain.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://gaminggenerator.org/app/431946152/roblox-free-purple-eye-galsse PDF link annotation
    • http://www.awakeningtruth.org/images/how-to-run-fast-in-roblox-hack-2021.pdfIn PDF document text
    • http://zarinnameh.ir/images/robux-javascript-hack.pdfIn PDF document text
    • https://corbo.ru/images/robloxmania-com-free-robux.pdfIn PDF document text
    • https://verdensbarn.no/images/roblox-players-saying-free-builders-club.pdfIn PDF document text
    • https://technospektr.com.ua/images/roblox-dbz-rage-hack.pdfIn PDF document text
    • http://uctovnictvosnv.sk/images/hacking-denis-daily-roblox.pdfIn PDF document text
    • http://www.tamogatoweb.hu/images/how-to-get-obc-for-free-on-roblox-2021.pdfIn PDF document text
    • https://eddar.fr/images/free-robux-no-verifacation-or-scam-mobile.pdfIn PDF document text
    • http://www.exikom.com.ua/images/free-robux-generator-hack-2021.pdfIn PDF document text
    • http://domaizdereva24.ru/images/roblox-robux-hack-no-human-verification-or-survey-2021.pdfIn PDF document text
    • https://www.fhccu.com/images/are-roblox-hacks-real.pdfIn PDF document text
    • https://www.sitiwebjoomla.it/images/free-robux-generator-20212021.pdfIn PDF document text
    • https://www.iadh.bi/images/roblox-blueberry-hack.pdfIn PDF document text
    • http://escolaarboc.cat/images/free-robux-cheat-download.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/is-it-possible-to-get-banned-for-cheating-roblox.pdfIn PDF document text
    • https://www.air-shop.cz/images/hacked-tycoon-roblox.pdfIn PDF document text
    • http://www.fluidtech.hu/images/roblox-password-hacker-online.pdfIn PDF document text
    • http://www.actae.gr/images/free-robux-without-survey-or-verification.pdfIn PDF document text
    • https://amatq.ca/images/menu-hacks-kupkake-roblox.pdfIn PDF document text
    • https://www.udivadlahotel.cz/images/free-robux-2021-wiki.pdfIn PDF document text
    • https://jdlgroup.ca/images/get-2021-free-robux-daily.pdfIn PDF document text
    • http://www.remiauclair.fr/images/harked-roblox-script-free.pdfIn PDF document text
    • http://legs11.co.za/images/robux-console-hack.pdfIn PDF document text
    • http://kruiz21.ru/images/free-glack-wings-roblox-promo-code.pdfIn PDF document text
    • http://www.cosver.nl/images/avatar-editor-roblox-free.pdfIn PDF document text
    • https://verdensbarn.no/images/get-free-robux-copy-and-paste.pdfIn PDF document text
    • http://www.exikom.com.ua/images/norwegian-resort-music-roblox-hack.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/free-roblox-hacks-jailbreak.pdfIn PDF document text
    • http://nosocomium.rv.ua/images/codes-roblox-pants-hacker.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/roblox-cheat-engine-health-hack-csgo.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/how-to-change-your-roblox-name-for-free-2021.pdfIn PDF document text
    • http://zarinnameh.ir/images/hackear-cuenta-de-roblox-2021-pastebin.pdfIn PDF document text
    • http://pa-tanjungselor.go.id/images/artmoney-roblox-hack.pdfIn PDF document text
    • https://crank.ee/images/free-unlimited-robux-generator.pdfIn PDF document text
    • https://www.seeingindependence.org/images/how-to-hack-roblox-games-2021.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/how-to-get-250-robux-for-free.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/roblox-booga-booga-admin-script-hack.pdfIn PDF document text
    • http://portal.crfsp.org.br/images/free-codes-for-heavon-you-decide-or-hell-roblox.pdfIn PDF document text
    • http://behsanroshd.com/images/how-to-hack-roblox-servers-2021.pdfIn PDF document text
    • http://www.malonmalon.com.ar/images/roblox-pretty-much-every-border-game-ever-hack.pdfIn PDF document text
    • https://www.lavigny.ch/images/free-robux-codes-2021-not-used.pdfIn PDF document text
    • http://uctovnictvosnv.sk/images/roblox-hack-vehicle-simulator.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/hacks-for-roblox-pet-simulator.pdfIn PDF document text
    • http://www.eurosan1.ba/images/how-to-make-a-roblox-hacking-program.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/black-t-shirt-free-roblox-tshirt.pdfIn PDF document text
    • http://www.fluidtech.hu/images/roblox-hack-2021-robux.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/hack-roblox-2021-pc.pdfIn PDF document text
    • http://www.occquimica.com.br/images/robux-hack-tool-no-human-verification.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/cheat-roblox-superpower-training-simulator-2021.pdfIn PDF document text
    +2 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000057dd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x57DD 23860 bytes
SHA-256: e5299b740d7687283856256b56df6226b060ca937cccfb24dfcdf784a8cd9bf8
font_01_sfnt_off00008e70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E70 18252 bytes
SHA-256: 7338409bf8c7f0c819b78c8682967ffe7088de031427a4dae240528e55e07860