Malicious PDF — malware analysis report

Static analysis result for SHA-256 70fe782b2c99fe36…

MALICIOUS

PDF

53.4 KB Created: 2021-04-06 08:50:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 7b70a318e37bb94b6be572334c783347 SHA-1: cbd3ab7a654089bb54b39a3332e27eb0598ba5e9 SHA-256: 70fe782b2c99fe368ab2bfe41e229a1f85cb5538585be5e5b0adbd7bf171f080
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8721

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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://enigmagenerator.com/app/431946152/roblox-game-hack PDF link annotation
    • http://gremihostaleria.cat/images/free-robux-2021-october.pdfIn PDF document text
    • http://www.torvet11.dk/images/how-to-download-hacks-on-roblox.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/roblox-the-app-for-free.pdfIn PDF document text
    • https://kimolos-link.gr/images/cheat-in-roblox-gold-venture.pdfIn PDF document text
    • http://www.drent.se/images/roblox-milenario-headphones-free.pdfIn PDF document text
    • http://jackson-pr.com/images/free-tay-k-roblox-shirt.pdfIn PDF document text
    • http://giolantapepe.gr/images/best-roblox-hacks-2021.pdfIn PDF document text
    • http://www.bernerpupping.at/images/list-of-free-stuff-on-roblox.pdfIn PDF document text
    • https://gaj.rs/images/get-free-robux-inspect.pdfIn PDF document text
    • http://kaleasm.org/images/is-roblox-free-on-ps4.pdfIn PDF document text
    • https://imagineclimb.com/images/hacking-with-c-roblox.pdfIn PDF document text
    • https://cintasoeste.com.ar/images/casper-hack-for-roblox.pdfIn PDF document text
    • http://bagna.pl/images/roblox-hack-tool-android.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/how-to-put-in-hacking-scripts-roblox.pdfIn PDF document text
    • https://sectorpravdy.com/images/roblox-surfer-hack.pdfIn PDF document text
    • http://www.fluidtech.hu/images/roblox-cheat-redline-working-mega.pdfIn PDF document text
    • http://hk-kan.org/images/roblox-free-robux-may-2021-codes.pdfIn PDF document text
    • https://ai-appenzell.ch/images/roblox-free-items-obby.pdfIn PDF document text
    • http://sfera-express.ru/images/free-punch-animation-roblox-r6.pdfIn PDF document text
    • https://www.udivadlahotel.cz/images/rblx-gg-free-robux-today.pdfIn PDF document text
    • http://torkelson.se/images/roblox-arc-of-the-elements-hack.pdfIn PDF document text
    • https://www.rondeberg.com/images/roblox-free-hack-unlimited-robux.pdfIn PDF document text
    • https://www.foodsafety.cz/images/vrbx-club-free-robux.pdfIn PDF document text
    • https://verdensbarn.no/images/proof-how-to-steal-hack-accountson-roblox-get-free-robux.pdfIn PDF document text
    • http://abletrustcare.com/images/free-400-robux-generator.pdfIn PDF document text
    • https://shimony.net/images/roblox-tokyo-ghoul-bloody-nights-hack.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/how-to-get-free-robux-using-inspect-2021.pdfIn PDF document text
    • https://icefuture.ru/images/comment-avoir-des-free-robux.pdfIn PDF document text
    • http://www.eptaviation.com/images/obby-for-free-robux.pdfIn PDF document text
    • http://www.evaplast.by/images/how-to-get-roblox-accessories-for-free.pdfIn PDF document text
    • http://www.peterdejonge.nl/images/why-does-roblox-shutdown-when-i-use-cheat-engine.pdfIn PDF document text
    • https://tokunfome.com.br/images/robloxcom-free-kkk-k-k-k-k-m.pdfIn PDF document text
    • http://www.campiresine.it/images/destroying-roblox-hack.pdfIn PDF document text
    • https://socialvalue.gr/images/free-robux-boombox.pdfIn PDF document text
    • http://lillysonthelake.com/images/free-robux-easy-and-simple.pdfIn PDF document text
    • http://www.maranata4x4.co.za/images/hack-in-roblox-to-unlock-elemental-dragon.pdfIn PDF document text
    • https://meltonschool.org/images/viper-venom-hack-roblox.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/https-web-roblox-free-robux.pdfIn PDF document text
    • https://gaj.rs/images/how-to-get-any-roblox-item-for-free-2021.pdfIn PDF document text
    • http://julo-it.net/images/how-to-get-free-robux-on-the-payment-section.pdfIn PDF document text
    • http://www.malonmalon.com.ar/images/roblox-cheat-engine-2021-download.pdfIn PDF document text
    • http://www.exikom.com.ua/images/roblox-exploit-injector-free.pdfIn PDF document text
    • http://lanoblaie.fr/images/how-mto-get-free-robux-easy.pdfIn PDF document text
    • http://www.inservis.cl/images/roblox-free-mvp.pdfIn PDF document text
    • https://www.romedia.gr/images/free-robux-2021-march.pdfIn PDF document text
    • http://bilhetim.com.br/images/roblox-free-robux-obby-uncopylocked.pdfIn PDF document text
    • http://fratellimazzoleni.it/images/how-to-get-free-robux-roblox-hack.pdfIn PDF document text
    • http://aeroclub-kaernten.at/images/instan-kill-boss-hack-script-dungeon-quest-roblox.pdfIn PDF document text
    • http://eliteprofkosmetik.com.ua/images/how-to-use-money-hack-in-roblox.pdfIn PDF document text
    +13 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00006fec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x6FEC 26764 bytes
SHA-256: 977fec8ad38a49e05fe9b444ca71062cfc951a8f58563512fa9350e88a1fe6cd
font_01_sfnt_off0000adb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xADB7 18052 bytes
SHA-256: 701876c086785e6c8cd97a861dd952c36ca97e40a1f96d800b0888ea51c49855

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