Malicious PDF — malware analysis report

Static analysis result for SHA-256 be83da37864990be…

MALICIOUS

PDF

59.4 KB Created: 2021-04-05 22:20:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11
MD5: ec18cbea831a0a80defbe41f2344c989 SHA-1: 53158d93f7986a3df34161207ee59684bc207d55 SHA-256: be83da37864990bea22af9bb4d7c1cf69587e208a8d08095760771ce5fbacb99
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure for Roblox cheats, impersonating Outlook to trick users into clicking a malicious link. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to redirect users to a site that likely hosts further malicious content or attempts credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6193

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-case-clicker-cheats.
  • 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-case-clicker-cheats PDF link annotation
    • https://servotecnica.com/images/game-empire-tycoon-roblox-hack-script.pdfIn PDF document text
    • http://hydroconseil.net/images/how-to-hack-dragon-ball-rage-i-roblox-2021.pdfIn PDF document text
    • https://www.seeingindependence.org/images/cardcode-pw-free-roblox.pdfIn PDF document text
    • http://swibome.nl/images/outlook-team-hack-roblox.pdfIn PDF document text
    • http://picuruta.com.br/images/roblox-high-school-how-to-fly-for-free.pdfIn PDF document text
    • https://www.foodsafety.cz/images/how-to-get-free-robux-2021-nofake.pdfIn PDF document text
    • https://www.hotschool.com.au/images/how-to-get-free-robux-no-scam-november.pdfIn PDF document text
    • http://caraless.com/images/roblox-free-candy-van-exploit.pdfIn PDF document text
    • http://schlossschaenke-andernach.de/images/free-robux-games-on-roblox-2021.pdfIn PDF document text
    • http://citycare.pt/images/roblox-the-future-hack.pdfIn PDF document text
    • https://www.ergolight.at/images/free-animation-roblox-studio.pdfIn PDF document text
    • https://rieber-transporte.de/images/how-to-hack-pets-in-ninja-legends-roblox.pdfIn PDF document text
    • http://gremihostaleria.cat/images/how-to-hack-roblox-users.pdfIn PDF document text
    • http://lichtdrukkerijwijchen.nl/images/roblox-royale-high-halo-hack.pdfIn PDF document text
    • http://webstan.be/images/roblox-cheat-engine-62-noclip.pdfIn PDF document text
    • http://domaizdereva24.ru/images/roblox-cheat-engine-swordburst-online.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/denis-shirt-roblox-free.pdfIn PDF document text
    • http://www.kalaaliaraq.dk/images/roblox-feather-family-how-to-get-phoenix-for-free.pdfIn PDF document text
    • https://www.cnte.org.br/images/best-free-things-in-roblox-catalog-2021.pdfIn PDF document text
    • https://beejekorf.nl/images/robux-hack-no-human-verification-or-survey-2021.pdfIn PDF document text
    • https://www.ausecus.com/images/free-roblox-rig.pdfIn PDF document text
    • http://www.controverseinterapie.it/images/free-robux-gift-card-uk.pdfIn PDF document text
    • http://escolaarboc.cat/images/free-roblox-accounts-2021-with-robux-generator.pdfIn PDF document text
    • http://www.bestyears.co.uk/images/how-to-get-100-robux-free-2021.pdfIn PDF document text
    • http://unionmusicaldebenidorm.com/images/free-robux-on-samsung-tablet.pdfIn PDF document text
    • http://ktn.com.br/images/roblox-hacks-and-cheats.pdfIn PDF document text
    • http://ivalor.fr/images/skyline-reviewed-roblox-hack.pdfIn PDF document text
    • https://reggieslockandkey.com/images/how-to-stop-roblox-from-crashing-when-using-hacks.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/roblox-vehicle-simulator-money-cheat.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/how-do-i-get-free-robux-now.pdfIn PDF document text
    • https://www.lomrad.go.th/images/roblox-wikipedia-2021-hack.pdfIn PDF document text
    • http://www.adravietnam.org/images/www-roblox-com-to-purchase-more-robux-for-free.pdfIn PDF document text
    • https://www.prodex-holz.cz/images/how-to-change-my-username-on-roblox-for-free.pdfIn PDF document text
    • https://www.prodex-holz.cz/images/how-to-steal-roblox-shirts-free-bc.pdfIn PDF document text
    • https://verdensbarn.no/images/how-to-get-free-bloxbux-in-roblox-bloxburg.pdfIn PDF document text
    • http://fradiomas.com/images/did-biggie-get-robux-free.pdfIn PDF document text
    • http://somvisio.es/images/inspect-element-roblox-hack.pdfIn PDF document text
    • https://www.cfdcnv.com/images/free-robux-2021.pdfIn PDF document text
    • http://musical-arts.de/images/free-tix-and-robux-website.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/roblox-hacking-system-download.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/free-roblox-stuff-2021-promo-codes.pdfIn PDF document text
    • http://mainzer-marktplatz.de/images/roblox-mad-city-cheat-commands.pdfIn PDF document text
    • http://safetin.ru/images/are-the-surveys-for-free-robux-real.pdfIn PDF document text
    • http://www.gongoff.com/images/free-2021-robux-code.pdfIn PDF document text
    • http://swibome.nl/images/free-roblox-boy-hair.pdfIn PDF document text
    • https://kldcardio.ru/images/are-there-any-free-sword-on-roblox.pdfIn PDF document text
    • http://ivalor.fr/images/roblox-military-simulator-hack-mecha.pdfIn PDF document text
    • http://www.centromedicoaurora.it/images/get-robux-free-of-charge.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/auto-jump-roblox-cheat.pdfIn PDF document text
    +20 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000812a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x812A 25120 bytes
SHA-256: 6e9c5dc1a7dd60d75c8aa1f962bcfa1d8df1ff23a0161dad8951a6ccd46a7651
font_01_sfnt_off0000bb49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB49 2844 bytes
SHA-256: baad2f3f6808f4af03fa9398e38c580c8d846f7f773a947d8cc1f39b2753d31a
font_02_sfnt_off0000c50a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC50A 18136 bytes
SHA-256: f483130a290231930e3878b705d6efd7adbcb315ad91213ca1de7895e2f76ed8