Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb230bc79512ca5d…

MALICIOUS

PDF

60.9 KB Created: 2021-04-05 19:55:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 4c71b01bf83a582576e548bafd2d9d48 SHA-1: 57748277f2e2a35c463e99763d258afc9a516bb1 SHA-256: bb230bc79512ca5da93a54074e9fe064372449df4fbda297c2778dc7990d4a75
132 Risk Score

Malware Insights

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

The PDF contains numerous links and embedded text related to 'free Robux' and game hacks, indicative of a scam or phishing attempt. The heuristic firings confirm the presence of a link farm designed to lure users with gaming-related scams. The document body and extracted URLs strongly suggest the intent is to direct users to malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6193

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-2021-free-robux-give-away PDF link annotation
    • http://www.adravietnam.org/images/the-only-free-robux-game-that-works-1.pdfIn PDF document text
    • https://www.cj-aircons.co.za/images/roblox-followers-hack.pdfIn PDF document text
    • http://panaceafamilymedicine.com/images/hacking-roblox-thumbnail.pdfIn PDF document text
    • https://www.tsdb.com.au/images/get-free-robux-no-scam-no-builders-club.pdfIn PDF document text
    • https://www.wadowice24.pl/images/free-robux-codes-2021-no-verification.pdfIn PDF document text
    • http://bilhetim.com.br/images/free-robux-sin-verificacion-humana.pdfIn PDF document text
    • http://artindex.pro/images/download-robux-online-hack.pdfIn PDF document text
    • http://www.anies.eu/images/free-valid-promo-codes-generator-roblox.pdfIn PDF document text
    • http://sbm-nn.ru/images/roblox-is-free-to-play.pdfIn PDF document text
    • http://pdapanache.com/images/e-free-in-roblox.pdfIn PDF document text
    • http://soma.com.ua/images/hack-mod-apk-de-roblox-2.pdfIn PDF document text
    • http://avocatultau.eu/images/free-roblox-card-no-human-verification.pdfIn PDF document text
    • https://zsdunajskaluzna.sk/images/free-cash-roblox-pizza-place.pdfIn PDF document text
    • http://hydroconseil.net/images/how-to-hack-into-games-on-roblox.pdfIn PDF document text
    • https://pagadder.com/images/roblox-tips-and-cheats.pdfIn PDF document text
    • http://www.vktzunami.cz/images/roblox-solo-hack-client.pdfIn PDF document text
    • http://www.fanciullovito.it/images/hacked-roblox-jailbeak.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/free-good-groups-to-claim-in-roblox.pdfIn PDF document text
    • http://florentineholding.com/images/get-robux-free-2021.pdfIn PDF document text
    • http://bullyinformate.org/images/demolition-crew-roblox-hack.pdfIn PDF document text
    • https://www.stkdb.cz/images/how-to-find-free-items-on-roblox-mobile.pdfIn PDF document text
    • http://www.art-concept.gr/images/create-a-roblox-account-free-2021.pdfIn PDF document text
    • https://www.eglihotel.gr/images/free-robux-hack-come.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/hack-downlad-roblox.pdfIn PDF document text
    • https://www.udivadlahotel.cz/images/roblox-gift-card-free-codes-2021.pdfIn PDF document text
    • http://lv-siegen.de/images/how-do-u-hack-into-bases-on-sharpshooter-roblox.pdfIn PDF document text
    • http://belagrogen.by/images/www-roblox-tv-free-robux.pdfIn PDF document text
    • http://internetdeputy.com/images/free-robux-super-easy.pdfIn PDF document text
    • https://cintasoeste.com.ar/images/hacker-set-a-pin-on-my-roblox-account.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/roblox-bubblegum-simulator-steal-hack.pdfIn PDF document text
    • http://egorplitka.ru/images/how-to-change-your-username-on-roblox-for-free.pdfIn PDF document text
    • https://www.ukrtrans.biz/images/roblox-back-accessories-free.pdfIn PDF document text
    • http://www.rezbb.sk/images/how-to-make-my-own-hack-for-roblox.pdfIn PDF document text
    • http://behsanroshd.com/images/free-robux-website-2021.pdfIn PDF document text
    • http://grupodin.com.br/images/how-to-get-free-robux-nicsterv-2021.pdfIn PDF document text
    • https://www.eglihotel.gr/images/roblox-counter-strike-cheats.pdfIn PDF document text
    • http://erntefest2016.de/images/can-roblox-determine-the-ip-address-of-a-roblox-hacker.pdfIn PDF document text
    • https://www.milewood.co.uk/images/jailbreak-free-robux.pdfIn PDF document text
    • https://open-coffee-drimmelen-geertruidenberg.nl/images/moon-tycoon-roblox-this-game-gives-you-free-robux.pdfIn PDF document text
    • https://hekl-software.de/images/how-to-get-free-clothes-in-roblox-mobile.pdfIn PDF document text
    • https://sdg-trade.com/images/free-robux-accounts-with-obc-passwords.pdfIn PDF document text
    • http://elearnfactory.com/images/roblox-robux-hack-cheats-generator-free-robux-and-tix.pdfIn PDF document text
    • http://techmobil.pl/images/roblox-check-cashed-v5-lumber-tycoon-2-money-hack.pdfIn PDF document text
    • http://eddegrootassurantien.nl/images/hack-para-simulador-de-levantamento-de-peso-3-roblox.pdfIn PDF document text
    • http://www.gadanie.lv/images/how-to-make-a-roblox-hacking-program.pdfIn PDF document text
    • http://kruiz21.ru/images/hack-magic-simulator-roblox.pdfIn PDF document text
    • https://bgescc.com/images/all-free-in-catalog-roblox.pdfIn PDF document text
    • https://www.hotschool.com.au/images/robux-20210-free.pdfIn PDF document text
    • http://jdlwealth.com/images/robux-and-tix-hack-2021.pdfIn PDF document text
    +15 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000082ac.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x82AC 27012 bytes
SHA-256: e70383bd6e4e6ac3c3b93b8e827722bf0b2cd484cd5e33555610a16fe11fad7a
font_01_sfnt_off0000bff1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBFF1 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000c9a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9A1 18528 bytes
SHA-256: f90fc224136ec5cdf81cbcb1e283693e08942d10810a3d27ba443a3982534b6d