Malicious PDF — malware analysis report

Static analysis result for SHA-256 e632c0ef44ba0b92…

MALICIOUS

PDF

34.0 KB Created: 2021-04-04 05:41:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 726eb4abe792d12eb0ec4695d5c55c45 SHA-1: 0a72ad69a4f71941eff5f7b03db7ae99fc8b7e79 SHA-256: e632c0ef44ba0b921988f7dda543c7fd08197b9bf2f7738bede19e7ccc056ccd
132 Risk Score

Malware Insights

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

The PDF contains numerous links to websites that appear to be part of a game hack and cheat distribution network, specifically targeting Roblox. The ML classifier strongly indicates maliciousness, and the presence of many external URIs suggests a lure to a malicious site. While no scripts were explicitly extracted, the PDF structure and heuristics point towards a malicious document designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9723

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/i-will-hack-and-not-kill-parent-roblox-group PDF link annotation
    • http://www.hawler.in/images/hack-for-all-games-roblox.pdf%0AIn PDF document text
    • http://www.boic.nl/images/roblox-gift-card-free-no-human-very-or-survey.pdf%0AIn PDF document text
    • https://tokunfome.com.br/images/how-to-get-free-faces-on-roblox-phone.pdf%0AIn PDF document text
    • https://www.osoc.com/images/monster-slaying-simulator-cheats-roblox.pdf%0AIn PDF document text
    • http://www.cosver.nl/images/roblox-invitation-template-free.pdf%0AIn PDF document text
    • http://www.copoint.co.uk/images/what-is-robloxhackexe.pdf%0AIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/roblox-link-free-robux.pdf%0AIn PDF document text
    • http://leigraphics.com/images/hoe-to-get-free-robux-youtube.pdf%0AIn PDF document text
    • http://halitbayramoglu.com.tr/images/robloxcom-how-to-get-free-robux-only-today-ad.pdf%0AIn PDF document text
    • http://gops.pruszczgdanski.pl/images/roblox-jailbreak-hack-script-pastebin.pdf%0AIn PDF document text
    • http://www.exikom.com.ua/images/free-robux-roblox-rom.pdf%0AIn PDF document text
    • http://bilhetim.com.br/images/free-credit-card-info-for-roblox.pdf%0AIn PDF document text
    • https://www.saisystem.it/images/roblox-hack-fly-jailbreak.pdf%0AIn PDF document text
    • http://www.lovecraftiana.com.ar/images/free-roblox-items-glitch.pdf%0AIn PDF document text
    • https://www.elevage-chiot.fr/images/how-to-hack-get-money-in-roblox-tycoon-simulator.pdf%0AIn PDF document text
    • https://www.milewood.co.uk/images/roblox-html-hack.pdf%0AIn PDF document text
    • https://www.hbproducts.dk/images/synapse-roblox-free-download-2021.pdf%0AIn PDF document text
    • http://www.exikom.com.ua/images/how-to-hack-on-roblox-on-a-phone.pdf%0AIn PDF document text
    • http://www.nielsen2u.dk/images/roblox-retail-tycoon-tree-cheat.pdf%0AIn PDF document text
    • http://dos.most.gov.la/images/free-robux-promo-codes-2021-july.pdf%0AIn PDF document text
    • http://almacargo.com/images/roblox-jailbreak-nuevo-menu-de-hacks-actualizado-rocket-fuel.pdf%0AIn PDF document text
    • https://corbo.ru/images/how-do-you-get-free-robux-2021.pdf%0AIn PDF document text
    • http://www.eaapiaria.es/images/hpw-to-hack-roblox-android-step-by-step.pdf%0AIn PDF document text
    • https://www.cpnf.ch/images/how-to-get-free-item-on-roblox-2021-and-2021.pdf%0AIn PDF document text
    • https://corbo.ru/images/robux-hack-no-human-verification-no-download-no-survey-2021.pdf%0AIn PDF document text
    • https://consorziocsa-asicaivano.it/images/roblox-hack-how-to-get-free-robux-2021.pdf%0AIn PDF document text
    • https://www.hbproducts.dk/images/roblox-command-tools-hack.pdf%0AIn PDF document text
    • https://www.tsdb.com.au/images/broken-bones-roblox-hack-v3rmillion.pdf%0AIn PDF document text
    • https://www.audev.com/images/dead-winter-hack-roblox.pdf%0AIn PDF document text
    • http://panaceafamilymedicine.com/images/download-roblox-for-free-on-laptop.pdf%0AIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off000034f3.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34F3 20120 bytes
SHA-256: 46433310a0eac4054819fcdad4bc358c02ca49b4112b0e9f0dfcff3154591632
font_01_sfnt_off00005fa2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA2 18784 bytes
SHA-256: 32533a9193b416f23fea04bd0af3db37842ee7f1572cc9c6e1fd12147d949d40