Malicious PDF — malware analysis report

Static analysis result for SHA-256 d33aa77e22c5a153…

MALICIOUS

PDF

57.2 KB Created: 2021-04-05 20:44:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: b86678a77a58fa9709df862435968727 SHA-1: 9e1c1149ea2de1e9e7301dd5f66082ee582ebdb8 SHA-256: d33aa77e22c5a1534526c7f936d3dce6be76f39a1b235df981684946b035e633
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.007 JavaScript

The PDF document contains a lure related to Roblox and includes a prominent link to 'gaminggenerator.org', which is flagged as a credential phishing attempt impersonating the Roblox brand. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence score suggest malicious intent, likely to redirect users to a phishing site or a download for further malware. The document body, though partially corrupted, contains references to free Roblox codes and URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7795

Heuristics 4

  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://gaminggenerator.org/app/431946152/roblox-redeem-codes-for-free.
  • 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/roblox-redeem-codes-for-free PDF link annotation
    • https://www.foodsafety.cz/images/roblox-bulbul-hack.pdfIn PDF document text
    • http://www.vktzunami.cz/images/roblox-bloxburg-free-hack.pdfIn PDF document text
    • http://energotestcontrol.ru/images/roblox-maid-paintball-2-free-robux.pdfIn PDF document text
    • http://www.web.stc-part.co.th/images/roblox-hacked-prehacks.pdfIn PDF document text
    • https://www.alu-as.cz/images/ninja-legends-roblox-script-hack-novembre-decembre-2021.pdfIn PDF document text
    • http://principessalialaofegypt.com/images/how-to-hack-any-account-roblox-2021-windows-10.pdfIn PDF document text
    • http://www.eurologistiki.gr/images/how-get-free-robux-easy.pdfIn PDF document text
    • https://www.porthos.it/images/youtube-free-robux-easy-stes.pdfIn PDF document text
    • https://wandersuechtig.de/images/legends-of-speed-roblox-cheat-engine.pdfIn PDF document text
    • http://lechia-sedziszow.pl/images/noclip-roblox-hack-download.pdfIn PDF document text
    • http://hemmet-strand.dk/images/how-to-get-free-robux-without-doing-anything.pdfIn PDF document text
    • https://www.najeebqasmi.com/images/t-shirt-hacker-roblox.pdfIn PDF document text
    • http://boliviagasenergia.com/images/how-much-is-it-to-get-60-robux-for-free.pdfIn PDF document text
    • http://wattkit.com/images/code-kingdoms-free-roblox.pdfIn PDF document text
    • http://getthelook-bkk.com/images/can-you-get-roblox-free-on-the-switch.pdfIn PDF document text
    • http://santeh-40.ru/images/cheat-roblox-ninja-legend.pdfIn PDF document text
    • http://vipservice-bg.com/images/free-roblox-premium-generator.pdfIn PDF document text
    • http://cmme.it/images/roblox-car-dealership-tycoon-hack.pdfIn PDF document text
    • http://texnes-plus.gr/images/hack-defense-towers-dinero-infinito-roblox.pdfIn PDF document text
    • https://laconce.com/images/how-to-earn-free-robux-in-roblox.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/hack-roblox-counter-blox-2021.pdfIn PDF document text
    • https://www.vacationrentalsincroatia.com/images/roblox-jailbreak-free-robux.pdfIn PDF document text
    • http://dmoraitis.gr/images/how-to-get-free-robux-2021-no-survey-no-download.pdfIn PDF document text
    • http://www.drent.se/images/roblox-i-hacked-my-fans.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/buy-all-free-items-roblox-javascript.pdfIn PDF document text
    • http://agrao.in/images/john-doe-roblox-hacker.pdfIn PDF document text
    • http://leigraphics.com/images/list-of-roblox-hackers.pdfIn PDF document text
    • http://nevesomost.by/images/free-mgui-roblox.pdfIn PDF document text
    • http://ferienwohnung-walker.de/images/free-roblox-card-codes-not-used.pdfIn PDF document text
    • http://vagency.us/images/hacks-para-roblox-super-power-training-simulator.pdfIn PDF document text
    • https://www.iadh.bi/images/characters-roblox-free.pdfIn PDF document text
    • https://socialvalue.gr/images/roiblox-free-robux-cards.pdfIn PDF document text
    • http://adues.org/images/jailbreak-roblox-cheats.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/roblox-for-free-to-play-online.pdfIn PDF document text
    • https://sectorpravdy.com/images/one-piece-roblox-hack.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/giyfcom-roblox-hack.pdfIn PDF document text
    • https://www.ferienhausdirektkroatien.de/images/cheat-block-piece-roblox.pdfIn PDF document text
    • http://interpretation-dessins-enfants.net/images/wwroblox-cheatcom.pdfIn PDF document text
    • http://dos.most.gov.la/images/money-cheat-for-ro-port-tycoon-on-roblox.pdfIn PDF document text
    • https://www.cnte.org.br/images/roblox-slaying-simulator-level-hack.pdfIn PDF document text
    • http://reisebild.eu/images/how-to-put-hack-scripts-in-roblox-studio.pdfIn PDF document text
    • https://amatq.ca/images/roblox-car-speed-hack-script.pdfIn PDF document text
    • http://alexandrion.com/images/best-free-roblox-survival-games.pdfIn PDF document text
    • http://alexanderautos.co/images/roblox-hub-free-vip-server.pdfIn PDF document text
    • http://posterprintshop.nl/images/code-hack-robux.pdfIn PDF document text
    • http://ernstgloves.co.il/images/ifninite-jump-roblox-hack.pdfIn PDF document text
    • http://tegeler-segler.de/images/pastebin-robux-promocode-hack-2021.pdfIn PDF document text
    • http://shahriyarclimb.com/images/mad-city-roblox-hack.pdfIn PDF document text
    • http://www.actae.gr/images/roblox-apk-download-free-robux.pdfIn PDF document text
    +11 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00008163.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x8163 26672 bytes
SHA-256: 900fbaca40b0753eaa9e8ecbfd911daabfc282f4c873cb3881029f0260e390aa
font_01_sfnt_off0000bdc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBDC9 17804 bytes
SHA-256: 18606e8e3b92af04be2f780dc9d8d6a665c7f232f255cef04c3dcd64948dcf8b

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