Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ad4959bb5adf8e4…

MALICIOUS

PDF

62.9 KB Created: 2021-04-05 21:27:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: fef36fc04cfa4fe545052b27283c7d84 SHA-1: 65a7b59064ac0be95da7f886c9e8449da0a4804f SHA-256: 8ad4959bb5adf8e4b6b6a49d485db28734882585d721214800136b335f871e64
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs and a document body that is essentially a list of links, all related to 'Robux' and 'hacks' for the game Roblox. The heuristic firings confirm this is a link farm designed to scam users. While no scripts were extracted, the structure and content strongly indicate a phishing or scamming attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4394

Heuristics 5

  • PDF carries distributed game-hack scam link farm critical PDF_GAME_HACK_SEO_LINK_FARM
    PDF contains a free-generator/game-hack lure together with many external PDF links spread across distinct hosts whose filenames advertise game hacks, cheats, jailbreaks, generators, or free currency. This is a high-confidence scam/SEO-poisoning carrier: the PDF exists to route users into malicious or unwanted download/redirect chains, not to present normal document content.
  • PDF carries game-hack generator link farm medium PDF_GAME_HACK_LINK_FARM
    PDF contains a gaminggenerator.org app lure together with multiple external PDF links whose filenames advertise game hacks, cheats, jailbreaks, or generators. This is a lure/delivery link farm rather than a PDF exploit: the risk is the linked redirection chain.
  • 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/how-to-advertise-your-roblox-game-for-free PDF link annotation
    • https://www.tqma.com.ec/images/80-robux-free.pdfIn PDF document text
    • https://pa-waingapu.go.id/images/free-logo-youtube-for-roblox.pdfIn PDF document text
    • http://parkinsononline.com/images/ant-free-robux.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/builders-club-roblox-free-for-kids.pdfIn PDF document text
    • http://ghegamethu.vn/images/get-free-robux-add-codes.pdfIn PDF document text
    • http://unionmusicaldebenidorm.com/images/how-to-hack-out-of-bank-roblox.pdfIn PDF document text
    • http://lanoblaie.fr/images/get-wall-hacks-in-roblox.pdfIn PDF document text
    • http://greenoase.be/images/free-roblox-hack-2021.pdfIn PDF document text
    • http://zarinnameh.ir/images/free-roblox-supream-pants.pdfIn PDF document text
    • http://britishcomics.com/images/free-robux-tampermonkey-code.pdfIn PDF document text
    • http://legs11.co.za/images/bun-hub-roblox-hacks.pdfIn PDF document text
    • http://lillysonthelake.com/images/wiek-ann-man-sich-robux-hacken.pdfIn PDF document text
    • https://www.air-shop.cz/images/how-to-use-cheat-engine-67-on-roblox-2021.pdfIn PDF document text
    • http://musical-arts.de/images/roblox-bloxburg-money-hack.pdfIn PDF document text
    • http://kruiz21.ru/images/free-dominus-frigidus-roblox.pdfIn PDF document text
    • https://accord.kiev.ua/images/how-to-hack-thinknoodles-roblox-account.pdfIn PDF document text
    • http://senfinfo.com/images/new-cheat-in-roblox-jailbreak.pdfIn PDF document text
    • http://bolsaycapital.com/images/how-to-get-more-robux-with-cheat-engine.pdfIn PDF document text
    • https://gzog.pl/images/scriptware-roblox-hack.pdfIn PDF document text
    • http://apkmaykop.ru/images/military-base-roblox-free-model.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/roblox-island-royale-script-2021-hack.pdfIn PDF document text
    • http://salantiskis.lt/images/hacks-for-de-oride-isle-sanatorium-roblox.pdfIn PDF document text
    • https://pemadamapi.net/images/buy-robux-for-free-games.pdfIn PDF document text
    • http://www.exikom.com.ua/images/hacker-de-roblox-00.pdfIn PDF document text
    • http://5346000.com/images/como-hackear-super-dragon-ball-heroes-en-roblox.pdfIn PDF document text
    • http://escolaarboc.cat/images/roblox-crack-hack.pdfIn PDF document text
    • http://santjoandelesabadesses.cat/images/roblox-tradelands-cheat-engine.pdfIn PDF document text
    • http://medimacs.eu/images/how-to-get-a-lot-of-robux-for-free-2021.pdfIn PDF document text
    • http://energotestcontrol.ru/images/how-to-get-free-robux-crystalsheep.pdfIn PDF document text
    • http://76remont-kvartir.ru/images/roblox-gift-cards-free-codes-2021.pdfIn PDF document text
    • http://parkinsononline.com/images/roblox-hack-how-to-get-free-robux-2021.pdfIn PDF document text
    • http://haertetechnik-steinbach.de/images/cheat-roblox-2021.pdfIn PDF document text
    • https://scraperite.com/images/hack-for-rubux-on-roblox.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-to-play-free-draw-alpha-2-on-roblox.pdfIn PDF document text
    • https://www.devries-group.de/images/elysian-hack-roblox.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/hacking-roblox-by-hacking-roblox-by-zia-lets-play.pdfIn PDF document text
    • https://www.saisystem.it/images/como-conseguir-robux-gratis-en-roblox-2021-hack.pdfIn PDF document text
    • http://wokbaarlo.nl/images/roblox-crash-checked-cheat-engine.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-get-back-your-hacked-roblox-account.pdfIn PDF document text
    • http://www.actae.gr/images/naruto-rpg-roblox-cheats.pdfIn PDF document text
    • https://bapalaye.org/images/hacking-curleyhairs-in-roblox.pdfIn PDF document text
    • http://rafaelmontesinos.com/images/roblox-ro-ghoul-cheat.pdfIn PDF document text
    • https://corbo.ru/images/roblox-hack-no-survey-no-password-no-download.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/roblox-prison-life-free-game.pdfIn PDF document text
    • http://news123.it/images/free-robux-codes-2021-not-used.pdfIn PDF document text
    • http://www.campiresine.it/images/hacked-roblox-face.pdfIn PDF document text
    • http://apcupschennai.com/images/how-to-get-100-robux-fast-and-free.pdfIn PDF document text
    • https://www.abrapppe.org.br/images/free-games-roblox-games.pdfIn PDF document text
    • https://pemadamapi.net/images/roblox-card-code-hack.pdfIn PDF document text
    +12 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00008389.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x8389 29604 bytes
SHA-256: a225d8be4a9c3a5cbe8f6f6a320afe658ad8d9b0fe8316a7c0a68fb67e37d7f4
font_01_sfnt_off0000c73e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC73E 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000d0ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0EE 18840 bytes
SHA-256: 92f424be7f9c1936a92d5b87e02e26d85ba4de41d2cb500dd0b03992de720a60