Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d2ec384bc8e50bb…

MALICIOUS

PDF

53.9 KB Created: 2021-04-06 14:44:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: fc449b063be947be8c09c82641af933a SHA-1: 1772854e5a169e6b9d1f4a7ecb63c782227c6f1c SHA-256: 9d2ec384bc8e50bb6d6f94ff3be01e33d4376263c26140a609e00a6b9817505a
122 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by an ML classifier. It uses a fake browser/software-install lure. 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 0.8413

Heuristics 5

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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 https://enigmagenerator.com/app/431946152/roblox-game-hack PDF link annotation
    • https://laconce.com/images/free-roblox-accounts-passwords.pdfIn PDF document text
    • http://msfs-eastafrica.com/images/omg-free-robux-hack-no-inspect-or-waiting.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/free-robux-offer-walls.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/free-robux-new-logo.pdfIn PDF document text
    • https://bancroftandsons.com/images/robux-hack-apps.pdfIn PDF document text
    • https://amatq.ca/images/racist-penguin-roblox-hack.pdfIn PDF document text
    • https://corbo.ru/images/free-roblox-audio-sounds-songs.pdfIn PDF document text
    • http://schrichte.de/images/people-who-hacked-roblox-and-got-unlmitited-robux.pdfIn PDF document text
    • http://www.playerzone.it/images/games-on-roblox-with-free-boombox.pdfIn PDF document text
    • http://thomas-hartl.at/images/free-robux-hack-on-desktop.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/roblox-hack-2021-free-robux.pdfIn PDF document text
    • http://seniorenverband-brh-nds.de/images/how-to-hack-roblox-accounts-no-download.pdfIn PDF document text
    • https://technospektr.com.ua/images/fly-roblox-lauc-script-hack.pdfIn PDF document text
    • http://smoothjazzclub.net/images/roblox-xeno-hack.pdfIn PDF document text
    • https://www.seeingindependence.org/images/how-to-hack-dorm-life-on-roblox.pdfIn PDF document text
    • http://hk-kan.org/images/free-xbox-360-gamertags-on-roblox.pdfIn PDF document text
    • http://dialine.cz/images/get-free-robux-2021.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/how-to-fix-roblox-studio-from-hacking.pdfIn PDF document text
    • http://legs11.co.za/images/free-intant-robux-genertaor-no-survey.pdfIn PDF document text
    • http://sdsdar.org/images/get-free-robux-fast-and-easy.pdfIn PDF document text
    • http://linens.kiev.ua/images/how-to-hack-into-someones-roblox-account-2021.pdfIn PDF document text
    • https://winterpol.eu/images/polyguns-roblox-unban-free.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/cheat-engine-for-roblox-april.pdfIn PDF document text
    • http://baah.ca/images/free-tix-roblox-pbb.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-free-robux-builders-club.pdfIn PDF document text
    • https://fkg.usu.ac.id/images/how-to-get-free-robux-working-2021-no-human-verification.pdfIn PDF document text
    • https://wandpiraten.de/images/com-roblox-hack.pdfIn PDF document text
    • https://www.lavigny.ch/images/its-free-real-estate-roblox-id.pdfIn PDF document text
    • http://ghegamethu.vn/images/hack-para-roblox-phantom-forces.pdfIn PDF document text
    • http://domaizdereva24.ru/images/roblox-free-boy-face.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/hack-killerboyjuan123-in-roblox.pdfIn PDF document text
    • http://smoothjazzclub.net/images/slurp-hack-roblox-jailbreak.pdfIn PDF document text
    • http://www.isovca.com/images/free-attack-doge-roblox.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/roblox-robux-hack-2021-august.pdfIn PDF document text
    • http://indotec.fr/images/hack-para-hacker-todo-roblox-pastebin.pdfIn PDF document text
    • http://erntefest2016.de/images/free-roblox-vip-sever.pdfIn PDF document text
    • http://www.fanciullovito.it/images/roblox-pastebin-hack.pdfIn PDF document text
    • https://raduzhnyj.od.ua/images/free-robux-or-real-without-email-needed.pdfIn PDF document text
    • https://reggieslockandkey.com/images/robux-generator-no-survey-no-hack.pdfIn PDF document text
    • http://internetdeputy.com/images/get-free-robux-no-download-no-verification.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/promo-codes-for-free-stuff-on-roblox.pdfIn PDF document text
    • http://regioliga.pl/images/how-to-get-free-tix-in-roblox-high-school.pdfIn PDF document text
    • http://stackideas.com/images/how-to-get-free-robux-december-2021.pdfIn PDF document text
    • https://gzog.pl/images/hack-roblox-rose.pdfIn PDF document text
    • https://avn.kz/images/free-robux-discord-bot.pdfIn PDF document text
    • http://finalstand.org/images/robux-gratis-hack-2021.pdfIn PDF document text
    • https://accord.kiev.ua/images/roblox-robux-hack-rar.pdfIn PDF document text
    • https://rietenwinkel.nl/images/roblox-codes-to-get-free-clothes.pdfIn PDF document text
    • https://verdensbarn.no/images/roblox-rc7-free.pdfIn PDF document text
    +12 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000071ed.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x71ED 26876 bytes
SHA-256: fa4a4ad47b4b60ff1b646a7bb0b855ea73582c4c98b83fcd9208604dbb24f653
font_01_sfnt_off0000ae21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAE21 18592 bytes
SHA-256: 7181eb47d1263303ea582959854b7b0cb510a025521622114c60695d6c01f833

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