Malicious PDF — malware analysis report

Static analysis result for SHA-256 f768ce61192adea0…

MALICIOUS

PDF

54.3 KB Created: 2021-04-06 14:47:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 52391a2900748af0f43796cd2d372d30 SHA-1: d85c32a80ff1a686ef3a744b79cf830089cdb35e SHA-256: f768ce61192adea0cd199e2cc1b97cbd8f65093acf7c2a2a7e5f9788d708f28a
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent link disguised as a 'free generator / game hack' lure. The document body, though partially corrupted, also contains text related to 'Free Robux' and a URL pointing to a game hack generator. This suggests the primary goal is to trick the user into visiting a malicious website, likely for credential harvesting or to download further malware. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8413

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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://www.mediaxin.net/images/free-robux-2021-pc.pdfIn PDF document text
    • https://www.fenews.co.uk/images/roblox-free-games-without-download.pdfIn PDF document text
    • http://grugliascogiovani.org/images/map-kat-roblox-hack.pdfIn PDF document text
    • http://arcnjournals.org/images/where-to-find-roblox-hacks.pdfIn PDF document text
    • http://unionmusicaldebenidorm.com/images/how-to-cheat-in-levels-booga-booga-roblox.pdfIn PDF document text
    • http://grupodin.com.br/images/free-robux-flame.pdfIn PDF document text
    • https://gomsa.nl/images/free-robux-just-for-singing-up.pdfIn PDF document text
    • http://fradiomas.com/images/robloxlover69-free-robux.pdfIn PDF document text
    • https://xn--80adfcepoood1a3b.xn--p1ai/images/roblox-how-to-sell-t-shirts-for-free-reddit.pdfIn PDF document text
    • http://www.homesweethome.pl/images/the-crew-cheats-at-roblox.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/roblox-one-piece-ultimate-hack.pdfIn PDF document text
    • https://invertsports.com/images/did-biggy-get-robux-free-norris-nuts.pdfIn PDF document text
    • https://newenglandafs.com/images/free-spark-wings-on-roblox.pdfIn PDF document text
    • http://www.anies.eu/images/this-you-cna-do-with-cheat-engine-on-roblox.pdfIn PDF document text
    • http://www.hawler.in/images/roblox-free-clothes-hack-2021.pdfIn PDF document text
    • http://www.torvet11.dk/images/free-clothes-on-roblox-2021.pdfIn PDF document text
    • https://socialvalue.gr/images/free-roblox-cards-pin-number-2021.pdfIn PDF document text
    • https://tokunfome.com.br/images/roblox-how-to-make-a-cool-avatar-free.pdfIn PDF document text
    • https://www.mvp.co.nz/images/power-simulator-roblox-quest-cheats.pdfIn PDF document text
    • http://famoirs.co.uk/images/jailbreak-roblox-hack.pdfIn PDF document text
    • http://zibai.eu/images/muscle-simulator-roblox-cheat-codes.pdfIn PDF document text
    • http://www.vktzunami.cz/images/how-to-get-robux-no-hack-or-anything-free-209.pdfIn PDF document text
    • http://evro-okna.net/images/roblox-speed-hack-2021-download.pdfIn PDF document text
    • http://artion.biz/images/how-to-get-robux-for-free-hack.pdfIn PDF document text
    • https://www.imagevideo.info/images/roblox-free-robux-generator-no-survey-2021.pdfIn PDF document text
    • https://plumbingmedics.com/images/name-change-client-roblox-free.pdfIn PDF document text
    • http://roberto-gac.org/images/growbux-get-free-robux.pdfIn PDF document text
    • http://pandaplast.com/images/cheat-engine-en-roblox.pdfIn PDF document text
    • http://fsgtoday.com/images/inspect-element-robux-hack.pdfIn PDF document text
    • https://www.coriglianocalabro.it/images/roblox-skywars-script-hack-pastebin.pdfIn PDF document text
    • http://yochin.org.tw/images/roblox-money-cheat-codes.pdfIn PDF document text
    • https://www.milewood.co.uk/images/how-to-get-free-robux-and-tickets-on-roblox-2021.pdfIn PDF document text
    • http://viemeo.fr/images/roblox-cheat-codes-for-elemental-war.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/roblox-neon-district-hacker.pdfIn PDF document text
    • http://sexythings.gr/images/hack-tycoon-money-roblox.pdfIn PDF document text
    • http://www.metinadistribuzione.com/images/youtube-live-free-robux.pdfIn PDF document text
    • https://successfulauto.ru/images/roblox-yammy-xox-hacking.pdfIn PDF document text
    • https://letturatarghe.it/images/https-blox-land-free-robux.pdfIn PDF document text
    • http://www.centralbarbershop.ru/images/roblox-script-executor-download-free.pdfIn PDF document text
    • https://rietenwinkel.nl/images/www-free-robux-win.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/how-to-buy-stuff-on-roblox-for-free.pdfIn PDF document text
    • http://drozle.lt/images/roblox-clothes-codes-to-get-for-free.pdfIn PDF document text
    • http://www.exikom.com.ua/images/how-to-get-any-item-free-on-roblox.pdfIn PDF document text
    • http://dshikr.ru/images/free-100-robux-code.pdfIn PDF document text
    • http://paro.net.ua/images/roblox-murderer-mystery-2-cheat-codes-sason-2.pdfIn PDF document text
    • http://wcasrock.org/images/how-to-get-free-robux-rbxboost.pdfIn PDF document text
    • http://www.malonmalon.com.ar/images/how-to-get-free-robux-without-human-verification-on-ios.pdfIn PDF document text
    • https://itv-grabungen.de/images/free-robux-no-survey-and-human-verification.pdfIn PDF document text
    • http://dialine.cz/images/roblox-jailbreak-noclip-hack-download.pdfIn PDF document text
    +13 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00007245.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7245 27196 bytes
SHA-256: f9b733514a9019176fa95dccd37e6794a854bc8d5b92c3142adbf907244ef864
font_01_sfnt_off0000b054.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB054 18292 bytes
SHA-256: 415a9301c2a43652dc50b4c582679f1c3ccc4360943a874f4336cd222789845f

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