Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ff7bcf479b6651b…

MALICIOUS

PDF

40.5 KB Created: 2021-04-03 15:57:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: ee0b0cc0c31b230fa3dd6b6e396ea182 SHA-1: 9a43395468a60d0bfd5b00f2022062712fcffe5f SHA-256: 8ff7bcf479b6651bb5b19d3ceafe8646bfdb33a1a3f9f8511de122371ac39cb9
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous links to websites offering game hacks and free Robux, indicating a scam or phishing attempt. The heuristic 'PDF_GAME_HACK_SEO_LINK_FARM' strongly suggests this is a link farm designed to attract users searching for game exploits. While no scripts were extracted, the embedded URLs are the primary indicators of malicious intent, likely leading to further malicious content or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9500

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/how-to-use-remotes-roblox-hacking PDF link annotation
    • http://www.maakherumusic.net/images/como-hackear-cuentas-de-roblox-gratuitas.pdfIn PDF document text
    • http://escolaarboc.cat/images/hackeando-los-ordenadores-en-roblox-derank.pdfIn PDF document text
    • https://tokunfome.com.br/images/como-hackear-uma-conta-no-roblox.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/how-to-hack-roblox-with-brutis.pdfIn PDF document text
    • https://www.ncscolour.no/images/roblox-hacks-project-alpha.pdfIn PDF document text
    • https://technospektr.com.ua/images/roblox-cheat-engine-gravity.pdfIn PDF document text
    • http://www.visiblefilm.com/images/roblox-chat-cheats.pdfIn PDF document text
    • http://legs11.co.za/images/free-unused-roblox-codes.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/free-robux-zataf-plays.pdfIn PDF document text
    • http://portal.crfsp.org.br/images/free-roblox-gift-card-codes-2021-april.pdfIn PDF document text
    • https://sitam.co.in/images/roblox-hack-account-real.pdfIn PDF document text
    • https://www.cnte.org.br/images/roblox-robux-hack-online-no-survey.pdfIn PDF document text
    • http://pa-tanjungselor.go.id/images/hack-roblox-cheat-engine-63.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/how-to-hack-roblox-jailbreak-ios.pdfIn PDF document text
    • http://nosocomium.rv.ua/images/roblox-bandit-simulator-codes-new-hacker-update.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/youtube-roblox-how-to-get-a-free-dominus-tofu.pdfIn PDF document text
    • http://energotestcontrol.ru/images/hide-cheat-engine-from-roblox.pdfIn PDF document text
    • https://kimolos-link.gr/images/roblox-cheat-engine-god.pdfIn PDF document text
    • http://www.occquimica.com.br/images/assassin-hack-script-roblox.pdfIn PDF document text
    • http://www.cosver.nl/images/escape-school-oby-roblox-cheats.pdfIn PDF document text
    • https://gomsa.nl/images/how-do-you-get-free-money-in-roblox.pdfIn PDF document text
    • https://www.beaufortcollege.ie/images/free-pins-for-robux.pdfIn PDF document text
    • https://www.hotschool.com.au/images/roblox-chat-cheats-on-rocitizens.pdfIn PDF document text
    • https://www.lavigny.ch/images/roblox-city-free-game.pdfIn PDF document text
    • https://pa-waingapu.go.id/images/paypal-roblox-hack.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/free-robux-roblox-hack-no-survey-no-human-verification-2021.pdfIn PDF document text
    • https://www.foodsafety.cz/images/roblox-cheat-engine-walk-through-walls-2021.pdfIn PDF document text
    • http://www.fluidtech.hu/images/cheats-jailbreak-roblox.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/free-roblox-birthday-card.pdfIn PDF document text
    • https://tokunfome.com.br/images/free-robux-android-apps.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off000045f8.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000045f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45F8 22788 bytes
SHA-256: 75a584cf2771dd67c5b4227042b9a180807b0c1aeaccf1aaad364f755eefd8b2
font_01_sfnt_off000078d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78D6 18872 bytes
SHA-256: f705cbac23dc420393bc4620a4389681b9d2545f10776614f3d32629fd0737e0