Malicious PDF — malware analysis report

Static analysis result for SHA-256 53d6cfd459da1290…

MALICIOUS

PDF

54.9 KB Created: 2021-04-06 15:15:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: d5cbfdd7f54f7c078e89d2a35185d9ac SHA-1: 27236b9316cbec67b2d2a24e0203883727751630 SHA-256: 53d6cfd459da12901e1b5fdb69dc4577c8110742f651a9d8273ae91fe5f28ea9
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 0.8220

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://bibliodetki.ru/images/free-robux-2o18.pdfIn PDF document text
    • https://www.mrsz.ir/images/roblox-retail-tycoon-money-tree-cheat.pdfIn PDF document text
    • http://joshherman.com/images/free-hack-to-get-obc-robloxcom.pdfIn PDF document text
    • http://businessmart.ro/images/download-roblox-on-laptop-for-free.pdfIn PDF document text
    • http://logisticgroup.co/images/how-to-get-more-robux-free.pdfIn PDF document text
    • http://artindex.pro/images/roblox-brocken-bones-4-ban-cheat.pdfIn PDF document text
    • http://www.inservis.cl/images/paid-roblox-hacks.pdfIn PDF document text
    • http://domaizdereva24.ru/images/murder-mystery-2-roblox-cheats-free-elite-and-radio.pdfIn PDF document text
    • http://learningarabic.co.uk/images/roblox-hack-apk-download-pc.pdfIn PDF document text
    • https://www.sitiwebjoomla.it/images/easy-games-to-hack-on-roblox.pdfIn PDF document text
    • http://eventgo.fr/images/how-to-enable-the-free-models-searcher-in-roblox-studiuo.pdfIn PDF document text
    • https://www.psychotherapie-naturheilpraxis.de/images/free-roblox-money-hacks.pdfIn PDF document text
    • http://yardfon.go.th/images/how-to-get-free-robux-without-information.pdfIn PDF document text
    • https://www.lavigny.ch/images/como-hackear-roblox-2021-en-juegos.pdfIn PDF document text
    • http://getthelook-bkk.com/images/package-roblox-free.pdfIn PDF document text
    • http://www.kalaaliaraq.dk/images/roblox-help-someone-hacked-me.pdfIn PDF document text
    • https://www.hotschool.com.au/images/epic-gamers-ss-free-download-roblox-exploit.pdfIn PDF document text
    • http://bit-sky.com/images/break-block-roblox-script-hack.pdfIn PDF document text
    • http://apd-ukraine.de/images/flamethrower-gun-roblox-hack.pdfIn PDF document text
    • http://www.art-concept.gr/images/roblox-exploit-executor-free-mac.pdfIn PDF document text
    • http://ferienhaus-summt.de/images/roblox-free-robux-codes-without-bc.pdfIn PDF document text
    • http://hk-kan.org/images/free-level-7-script-executor-roblox.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/how-to-get-robux-for-free-2021-without-human-verification.pdfIn PDF document text
    • https://gaj.rs/images/free-robux-donation.pdfIn PDF document text
    • http://grand-ural74.ru/images/dragon-ball-online-revelations-roblox-hack.pdfIn PDF document text
    • http://stroygrad-spb.com/images/how-to-hack-roblox-account-in-in-roblox.pdfIn PDF document text
    • http://autenticohostalsalou.com/images/how-to-hack-roblox-2021-june.pdfIn PDF document text
    • https://www.stoehr-sauer.de/images/roblox-money-hack-tool.pdfIn PDF document text
    • http://biotronics.com.cy/images/can-you-get-free-robux-without-getting-banned.pdfIn PDF document text
    • http://biotronics.com.cy/images/roblox-cheatgg-safe.pdfIn PDF document text
    • https://www.albisser.ch/images/roblox-hacks-deutsch.pdfIn PDF document text
    • http://www.st-regulus-lgc.co.uk/images/roblox-brick-bronze-hack.pdfIn PDF document text
    • https://waterpark.by:443/images/roblox-get-robux-hack.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/how-to-get-free-admin-in-any-roblox-game.pdfIn PDF document text
    • http://ukrainiansofbuffalo.com/images/checkbackgroundnet-roblox-hack.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/roblox-ninja-blox-2-hack.pdfIn PDF document text
    • http://bertaluzorganiccosmetics.com/images/case-clicker-coin-flip-hack-roblox.pdfIn PDF document text
    • http://behsanroshd.com/images/level-7-roblox-hack.pdfIn PDF document text
    • http://www.copoint.co.uk/images/how-to-get-speed-hacks-on-roblox.pdfIn PDF document text
    • http://behsanroshd.com/images/fight-club-hack-roblox.pdfIn PDF document text
    • http://cleanteclogistics.com/images/draw-free-roblox-avatar.pdfIn PDF document text
    • https://wandersuechtig.de/images/robux-script-free.pdfIn PDF document text
    • http://bluediffusion.it/images/roblox-recover-hacked-account-no-email.pdfIn PDF document text
    • http://ghegamethu.vn/images/free-roblox-synapse.pdfIn PDF document text
    • http://parkinsononline.com/images/how-to-get-free-robux-february-2021.pdfIn PDF document text
    • http://addair.co.uk/images/freerobuxexe.pdfIn PDF document text
    • https://www.porthos.it/images/how-to-get-bear-mask-free-roblox.pdfIn PDF document text
    • http://ptts.pl/images/how-to-get-free-robux-no-verification-or-offers.pdfIn PDF document text
    • http://joegibara.com.au/images/roblox-builders-club-free-2021.pdfIn PDF document text
    +11 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00006f10.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x6F10 30316 bytes
SHA-256: 73384e8c230c5fe0db4d5fa60d1016ae1aac423ce0a0cd02eab277e1d7703246
font_01_sfnt_off0000b2ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB2CA 18308 bytes
SHA-256: e1718256d782d89f49f0db68d67f4c253ed9c7bff0cace841691723635af3565

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