Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc04b330138ca0ba…

MALICIOUS

PDF

51.7 KB Created: 2021-04-06 11:41:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 55e162c2a4a1ca1377f9198acefb8d73 SHA-1: 081b91a148d85f8c7561bc5aa5d420d9a6cd7223 SHA-256: fc04b330138ca0ba75a25eef48674c2fe61e7a8586de21426d501f70f7ff1715
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 0.8896

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 https://enigmagenerator.com/app/431946152/roblox-game-hack PDF link annotation
    • http://j-cook.pro/images/como-atravesar-paredes-en-roblox-hack.pdfIn PDF document text
    • https://estalagemmonteverde.com.br/images/free-roblox-characters.pdfIn PDF document text
    • http://huananhai.net/images/free-robux-generator-for-robots.pdfIn PDF document text
    • http://neumann.fr/images/roblox-i-got-rthro-packages-for-free.pdfIn PDF document text
    • http://properteez.com/images/roblox-blood-t-shirt-free.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/roblox-counter-blox-script-hack.pdfIn PDF document text
    • http://armportal.co.uk/images/installer-cheat-roblox.pdfIn PDF document text
    • http://domaizdereva24.ru/images/roblox-free-zombie-face.pdfIn PDF document text
    • http://laboraltoledo.com/images/easy-robux-today-for-free.pdfIn PDF document text
    • http://vagency.us/images/army-tycoon-hack-roblox.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/how-to-speed-hack-in-roblox-without-cheat-engine-2021.pdfIn PDF document text
    • http://africadaily.co.za/images/roblox-use-the-cheats.pdfIn PDF document text
    • http://gops.pruszczgdanski.pl/images/sky-x-roblox-hack.pdfIn PDF document text
    • http://algierimasonry.com/images/free-executor-download-roblox.pdfIn PDF document text
    • http://bibliotheque-perrigny-les-dijon.fr/images/purest-roblox-phantom-forces-hack.pdfIn PDF document text
    • https://heritagebanquethall.ca/images/roblox-hack-mod-menu-android-2021.pdfIn PDF document text
    • http://hydroconseil.net/images/free-roblox-codes-for-robux-2021.pdfIn PDF document text
    • http://www.exikom.com.ua/images/hacker-web-roblox.pdfIn PDF document text
    • http://www.pbconsulting.it/images/install-roblox-free-online.pdfIn PDF document text
    • http://vagency.us/images/roblox-free-boombox-games.pdfIn PDF document text
    • http://dos.most.gov.la/images/free-shirts-roblox-happydaved.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/good-avator-free-20-robux.pdfIn PDF document text
    • https://www.fhccu.com/images/roblox-hacks-on-mac.pdfIn PDF document text
    • https://jdlgroup.ca/images/roblox-free-body.pdfIn PDF document text
    • https://enpav.it/images/roblox-lumber-tycoon-2-money-cheat.pdfIn PDF document text
    • https://pa-pangkalpinang.go.id/images/free-robux-generator-no-surveys-2021.pdfIn PDF document text
    • https://waterpark.by:443/images/free-roblox-legit.pdfIn PDF document text
    • https://pa-waingapu.go.id/images/roblox-quote-shirt-free.pdfIn PDF document text
    • http://poltekkeskhjogja.ac.id/images/roblox-ads-for-free.pdfIn PDF document text
    • http://urezerv.com/images/roblox-big-paintball-hack-2021.pdfIn PDF document text
    • http://finalstand.org/images/roblox-hack-script-ihyper.pdfIn PDF document text
    • http://www.pbconsulting.it/images/how-to-get-20210-robux-on-roblox-free.pdfIn PDF document text
    • http://internetdeputy.com/images/hacker-para-roblox-2021.pdfIn PDF document text
    • http://www.brtes.com/images/roblox-hack-how-to-get-free-robux-on-android-amp.pdfIn PDF document text
    • https://ghpa.ru/images/how-to-get-free-robux-instructions.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/how-to-become-a-hacker-in-roblox-easy.pdfIn PDF document text
    • https://gzog.pl/images/noclip-hack-for-roblox.pdfIn PDF document text
    • http://www.reikiusui.it/images/roblox-good-pet-ranch-accounts-free.pdfIn PDF document text
    • http://swibome.nl/images/how-to-get-free-robux-no-hack-or-download-2021.pdfIn PDF document text
    • http://babbibooth.com/images/hack-robux-gratis-2021.pdfIn PDF document text
    • http://unilin21.ru/images/roblox-cheat-engine-tricks.pdfIn PDF document text
    • http://intrasservices.com/images/hacks-for-british-army-roblox.pdfIn PDF document text
    • http://bf-sozidanie.ru/images/how-to-get-actual-free-robux.pdfIn PDF document text
    • http://greasley.website/images/assassin-item-hacks-roblox.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/tower-of-hell-roblox-fly-hack.pdfIn PDF document text
    • http://apcupschennai.com/images/how-to-hack-roblox-account-2021-new-method.pdfIn PDF document text
    • http://keepcasscountybeautiful.com/images/dbor-roblox-level-hack-v3rmillion.pdfIn PDF document text
    • http://vibrato.fr/images/roblox-speed-hack-2021-cheat-engine.pdfIn PDF document text
    • http://kfz-service-etp.de/images/robloxcom-how-to-get-free-robux-only-today-adverts.pdfIn PDF document text
    +10 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00006d31.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x6D31 25272 bytes
SHA-256: 8aa9393cfae7af33b46a7c81a77e7bb82bd90bd3219043857a853efb709ebce0
font_01_sfnt_off0000a68a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA68A 18284 bytes
SHA-256: c5c23f573aff99ab8077d1a0b7008237cbc16b3d886c416d7e1137ecfd7181fb

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