Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c353693e3ae9f6b…

MALICIOUS

PDF

57.6 KB Created: 2021-04-06 00:19:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 62f7f5cb1fc1c491f68b08ce45e5d13e SHA-1: e72a6ae15f7b56553cce06bc32abbcb226c561db SHA-256: 2c353693e3ae9f6b167116a7f037e918a7ab41bd2a82a23d8e6436d83eafdde5
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded URLs and text snippets that collectively form a link farm. These links predominantly advertise 'hacks' or 'free currency' for games, particularly Roblox. The heuristic firings confirm this is a game-hack scam, with a critical alert for a link farm containing numerous distinct hosts and lures. The ML classifier also flagged the PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7795

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-id-code-for-cheats-code-for-hoes PDF link annotation
    • http://ernstgloves.co.il/images/tower-battles-hack-roblox.pdfIn PDF document text
    • http://www.hotelcomelico.it/images/free-2021-roblox-accounts-2021.pdfIn PDF document text
    • http://columbuscigar.com/images/how-to-get-free-robux-no-hack-2021.pdfIn PDF document text
    • http://grand-ural74.ru/images/roblox-how-to-get-free-robux-easy-and-fast.pdfIn PDF document text
    • https://www.lavigny.ch/images/robux-verification-hack.pdfIn PDF document text
    • https://www.air-shop.cz/images/hack-and-slash-roblox.pdfIn PDF document text
    • https://www.udivadlahotel.cz/images/cheat-gg-roblox.pdfIn PDF document text
    • http://www.copoint.co.uk/images/how-to-get-speed-hacks-on-roblox.pdfIn PDF document text
    • http://cleanteclogistics.com/images/roblox-free-script-executor-2021.pdfIn PDF document text
    • http://www.hawler.in/images/theme-park-tycoon-2-hack-roblox.pdfIn PDF document text
    • http://mmech.com/images/how-to-get-free-rs-on-roblox.pdfIn PDF document text
    • https://www.najeebqasmi.com/images/free-roblox-com-passwords.pdfIn PDF document text
    • http://origamiperu.com/images/free-robux-codes-november-2021.pdfIn PDF document text
    • http://zarinnameh.ir/images/dragon-ball-af-roblox-cheats.pdfIn PDF document text
    • http://feuerwehr-rheinau.de/images/how-to-hack-roblox-to-get-free-items.pdfIn PDF document text
    • https://www.milewood.co.uk/images/como-psar-el-bosque-roblox-free-pokemon-brick-bronze-beta.pdfIn PDF document text
    • http://www.compusiteinc.com/images/aimbot-hack-roblox-murder-mystery-2.pdfIn PDF document text
    • http://moralcenter.or.th/images/how-to-get-free-robux-on-mobile-2021.pdfIn PDF document text
    • https://www.eglihotel.gr/images/how-to-hack-someone-on-roblox-with-old-password.pdfIn PDF document text
    • http://www.elis-strechy.cz/images/roblox-hacked-pour-avoir-des-robux-2021-pc.pdfIn PDF document text
    • http://mainzer-marktplatz.de/images/how-to-get-free-roblox-credit.pdfIn PDF document text
    • http://korporacjaroma.pl/images/free-robux-pastebin-code.pdfIn PDF document text
    • https://www.albisser.ch/images/hire-a-hacker-for-roblox.pdfIn PDF document text
    • http://www.actae.gr/images/car-dealer-roblox-hack.pdfIn PDF document text
    • http://uptodate.az/images/roblox-old-version-free-download.pdfIn PDF document text
    • http://5346000.com/images/cheat-engine-bypass-roblox-2021.pdfIn PDF document text
    • https://www.iadh.bi/images/how-to-get-roblox-hack-on-mobile.pdfIn PDF document text
    • http://genialica.com/images/fnaf-roblox-free.pdfIn PDF document text
    • https://septik-montag.ru/images/heists-free-roblox-demo.pdfIn PDF document text
    • http://gvtssp.org/images/how-do-you-change-your-name-in-roblox-for-free.pdfIn PDF document text
    • http://teksomak.com/images/roblox-synapse-hack.pdfIn PDF document text
    • http://legitame.org/images/cheat-tables-roblox.pdfIn PDF document text
    • http://www.occquimica.com.br/images/roblox-jailbreak-cheats-or-hacks.pdfIn PDF document text
    • http://aiyta.com/images/free-things-on-roblox-2021.pdfIn PDF document text
    • http://vipservice-bg.com/images/does-zyz-ork-to-ge-free-robux.pdfIn PDF document text
    • http://halal-center.ru/images/como-hackear-cuentasen-roblox.pdfIn PDF document text
    • http://nalmpantistractors.gr/images/how-to-advertise-your-roblox-game-for-free.pdfIn PDF document text
    • https://www.ergolight.at/images/free-robux-hack-2021-august.pdfIn PDF document text
    • http://xn--59-6kcusgqlmfgen3m.xn--p1ai/images/robux-hack-site.pdfIn PDF document text
    • http://www.lycee-langevin-wallon.com/images/hack-robar-cuentas-de-roblox-2021-akakaa.pdfIn PDF document text
    • http://sexythings.gr/images/how-to-hack-pokemon-brick-bronze-roblox-2021.pdfIn PDF document text
    • http://www.cosver.nl/images/how-to-use-cheat-engine-on-roblox-for-robux.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/free-roblox-accounts-with-admin.pdfIn PDF document text
    • http://kovroff.com.ua/images/how-to-get-free-robux-on-roblox-100-works.pdfIn PDF document text
    • http://principessalialaofegypt.com/images/how-to-hack-seven-hour-war-rp-roblox.pdfIn PDF document text
    • http://www.cuniv-naama.dz/images/roblox-hack-codes-2021.pdfIn PDF document text
    • https://ghpa.ru/images/free-robux-offer-website.pdfIn PDF document text
    • http://energyline.co/images/free-robux-2021-june.pdfIn PDF document text
    • https://www.alu-as.cz/images/chromebook-hacks-for-roblox.pdfIn PDF document text
    +11 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000080b4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x80B4 27032 bytes
SHA-256: fd33f9fc5b13f7a29900a5020793ea267bbdef0527e159b5046f9517a439a4cc
font_01_sfnt_off0000be4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE4A 18044 bytes
SHA-256: ec19da86a7200b1713c675a6741a9d8419aa38ec943423a82f46812ef7b94ff4