Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f2b37e5edff994b…

MALICIOUS

PDF

59.6 KB Created: 2021-04-05 19:57:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14
MD5: d860df569e61805ed7ac381d06785455 SHA-1: 1c015ce86f1510a9e30d8d349232cbb68e9465ea SHA-256: 0f2b37e5edff994b835862ea72955fb697f145a2b43a1433d29d22347444d45c
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs and text excerpts related to game hacks and free currency for games like Roblox. The critical heuristic 'PDF_GAME_HACK_SEO_LINK_FARM' indicates a link farm designed to lure users with promises of cheats and free items. While no scripts were explicitly extracted, the nature of the content and the high number of external links suggest a phishing or scamming attempt, likely to redirect users to malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6193

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-do-you-get-robux-5m-for-free PDF link annotation
    • http://www.pcclawyers.com.au/images/roblox-adopt-me-bucks-generator-free.pdfIn PDF document text
    • http://lawnn.ru/images/roblox-best-free-mod-menu.pdfIn PDF document text
    • http://wokbaarlo.nl/images/roblox-skywars-money-hack.pdfIn PDF document text
    • http://www.actae.gr/images/free-robux-without-survey-or-verification.pdfIn PDF document text
    • http://avocatultau.eu/images/roblox-work-at-a-pizza-place-money-hack-script.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/how-to-hack-in-lumber-tycoon-2-roblox-any-game.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/free-roblox-noob-accounts.pdfIn PDF document text
    • http://ladagoterie.fr/images/every-free-item-in-roblox.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/project-alpha-roblox-hack.pdfIn PDF document text
    • https://www.porthos.it/images/free-robux-for-samsung.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/roblox-hack-por.pdfIn PDF document text
    • https://www.ukrtrans.biz/images/hacking-esp-roblox.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/roblox-how-to-change-your-name-for-free-2021.pdfIn PDF document text
    • https://blagvist.com.ua/images/roblox-free-website.pdfIn PDF document text
    • http://www.evaplast.by/images/roblox-free-roux.pdfIn PDF document text
    • http://tehergumi.hu/images/roblox-robux-hack-no-survey.pdfIn PDF document text
    • https://accord.kiev.ua/images/roblox-cbro-hack-2021.pdfIn PDF document text
    • https://www.albisser.ch/images/im-hack-you-roblox-id.pdfIn PDF document text
    • http://alexanderautos.co/images/gg-roblox-hacks.pdfIn PDF document text
    • https://www.ergolight.at/images/very-easy-roblox-hack.pdfIn PDF document text
    • https://www.milewood.co.uk/images/how-to-get-free-plus-on-roblox.pdfIn PDF document text
    • http://batutynas.lt/images/script-roblox-hacks-2021.pdfIn PDF document text
    • http://nosocomium.rv.ua/images/free-robux-no-siging-i-n.pdfIn PDF document text
    • http://kruiz21.ru/images/nuebo-hack-de-robux-2021-atualizasion-pastebin.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/how-do-you-get-free-cars-in-roblox-vehicle-simulater.pdfIn PDF document text
    • https://www.albisser.ch/images/how-to-get-free-robux-copy-and-paste-2021.pdfIn PDF document text
    • http://columbuscigar.com/images/change-leader-stats-roblox-hack.pdfIn PDF document text
    • http://harmonygardens.ca/images/exclusive-roblox-avatars-available-for-free-you-can-change-your.pdfIn PDF document text
    • http://alexandrion.com/images/dis666-roblox-hack.pdfIn PDF document text
    • http://dmoraitis.gr/images/pastebin-free-robux-2021.pdfIn PDF document text
    • http://depilhome-fr.fr/images/robux-gratuit-no-hack.pdfIn PDF document text
    • http://julo-it.net/images/hack-para-jailbreak-roblox-pc.pdfIn PDF document text
    • http://bibliotheque-perrigny-les-dijon.fr/images/hack-roblox-com-2021.pdfIn PDF document text
    • http://www.anies.eu/images/discord-free-roblox-hacks.pdfIn PDF document text
    • http://bibliotheque-perrigny-les-dijon.fr/images/how-to-get-free-robux-without-paying-money.pdfIn PDF document text
    • https://amatq.ca/images/roblox-hacked-shirt-id.pdfIn PDF document text
    • https://www.ukrtrans.biz/images/free-roblox-clothes-templates.pdfIn PDF document text
    • http://www.gongoff.com/images/roblox-jailbreak-money-hack-no-verification.pdfIn PDF document text
    • http://teksomak.com/images/free-script-executor-roblox-2021.pdfIn PDF document text
    • https://www.cpnf.ch/images/how-to-hack-plus-ultra-roblox.pdfIn PDF document text
    • http://domaizdereva24.ru/images/how-to-get-free-tshirt-roblox.pdfIn PDF document text
    • https://www.dierenartsberghman.be/images/free-roblox-redeem-codes-that-haven-39.pdfIn PDF document text
    • https://bancroftandsons.com/images/roblox-jailbreak-money-hack-2021.pdfIn PDF document text
    • http://ff-obertraun.at/images/glasses-roblox-free.pdfIn PDF document text
    • https://sitam.co.in/images/roblox-skin-coluor-robux-hack-youtube-robuxianyoutube.pdfIn PDF document text
    • https://millatgears.com/images/free-bandit-mask-roblox.pdfIn PDF document text
    • http://ff-klaffenbach.de/images/free-robux-no-glitch.pdfIn PDF document text
    • https://pemadamapi.net/images/robux-free-without-human-verification.pdfIn PDF document text
    • https://meltonschool.org/images/free-vip-server-for-speed-race-roblox.pdfIn PDF document text
    +13 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00008001.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x8001 26020 bytes
SHA-256: bc580a068b7119acbdd7c3fcc07c4f221552d641bf3d44227efba35bccba0c92
font_01_sfnt_off0000bbbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBBC 2848 bytes
SHA-256: 4737c2778a085e0cb49e73f3b054b1a71e3f40720d213b4bfda97f95a31bfbf1
font_02_sfnt_off0000c57d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC57D 18240 bytes
SHA-256: 88c4073a80197de7be1487bb81743f5c83edc9bbb2b6469179b0654ee73d216c