Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca92bc7a21bb092d…

MALICIOUS

PDF

59.8 KB Created: 2021-04-05 18:19:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 48fb70b178a0ae5194ee89f85d07d306 SHA-1: f1aee6702ac0b7f76124f6dd66b969dea09f7881 SHA-256: ca92bc7a21bb092d79d63e95da7656610c0647b062630818da5d01d0fded4712
132 Risk Score

Malware Insights

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

The PDF document contains numerous links to external websites, many of which are associated with game hacks and cheats, particularly for Roblox. The heuristic firings indicate a link farm designed to lure users to these sites, likely for malicious purposes such as credential harvesting or malware distribution. No scripts were extracted, but the document's structure and embedded URLs strongly suggest a phishing or scam attempt.

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/best-free-robwhat-does-roblox-points-do-ox-clothes PDF link annotation
    • http://www.centromedicoaurora.it/images/exploit-hacks-2021-counter-blox-roblox.pdfIn PDF document text
    • https://tokunfome.com.br/images/hack-roblox-speed.pdfIn PDF document text
    • http://easytransferbrazil.com/images/roblox-account-stealing-hack-by-kingtennisbal.pdfIn PDF document text
    • http://dshikr.ru/images/roblox-pokemon-go-2-cheats.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/command-to-give-u-free-robux.pdfIn PDF document text
    • http://gestibrok.com/images/free-roblox-dll-injector.pdfIn PDF document text
    • http://joshherman.com/images/roblox-girls-clothing-cheats.pdfIn PDF document text
    • http://unc-europe.com/images/robux-hack-downloa.pdfIn PDF document text
    • https://corbo.ru/images/descargar-impact-hack-roblox.pdfIn PDF document text
    • https://www.hbproducts.dk/images/roblox-hack-teleport-and-wool-and-speed-and-money.pdfIn PDF document text
    • http://www.bbnest.it/images/free-robux-without-any-human-verification.pdfIn PDF document text
    • http://medimacs.eu/images/how-to-get-free-private-server-roblox.pdfIn PDF document text
    • http://bkd1.balikpapan.go.id/images/roblox-free-old-accounts.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-pc-hack-robux.pdfIn PDF document text
    • http://www.gravel.ru/images/roblox-free-robus.pdfIn PDF document text
    • http://dottgagliardi.com/images/roblox-friends-hack.pdfIn PDF document text
    • https://ghpa.ru/images/free-roblox-supreme-pants.pdfIn PDF document text
    • https://www.ukrtrans.biz/images/how-to-hack-free-robux-2021.pdfIn PDF document text
    • https://technospektr.com.ua/images/free-code-card-robux.pdfIn PDF document text
    • http://nevesomost.by/images/free-stuff-hack-roblox.pdfIn PDF document text
    • http://nikabio.com/images/free-robux-giveaway-2021.pdfIn PDF document text
    • http://julo-it.net/images/fame-simulator-roblox-autoclicker-hack.pdfIn PDF document text
    • https://gomsa.nl/images/robux-hack-no-survey.pdfIn PDF document text
    • http://www.maakherumusic.net/images/cheats-roblox-paintball.pdfIn PDF document text
    • http://vagency.us/images/ninja-legends-roblox-hacked-pet.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/roblox-free-robux-raffle.pdfIn PDF document text
    • https://www.cpnf.ch/images/free-money-in-roblox-jailbreak.pdfIn PDF document text
    • http://fa-deco.com/images/how-to-get-free-robux-2021-fast-and-easy.pdfIn PDF document text
    • http://www.fluidtech.hu/images/how-to-get-free-things-in-roblox-games.pdfIn PDF document text
    • http://armatrutz.de/images/free-robux-codes-2021-september.pdfIn PDF document text
    • https://open-coffee-drimmelen-geertruidenberg.nl/images/free-robux-giftcard-wix.pdfIn PDF document text
    • http://clubpure.org/images/free-robux-auto-redeem.pdfIn PDF document text
    • http://portal.crfsp.org.br/images/bucks-gg-free-robux.pdfIn PDF document text
    • http://learningarabic.co.uk/images/my-oldest-roblox-account-got-hacked.pdfIn PDF document text
    • http://xn--59-6kcusgqlmfgen3m.xn--p1ai/images/roblox-gui-hack-pastebin.pdfIn PDF document text
    • http://pianoservice.com.ua/images/free-item-game-roblox-twitch.pdfIn PDF document text
    • http://www.hawler.in/images/roblox-how-to-get-free-robux-without-verification.pdfIn PDF document text
    • http://lichtdrukkerijwijchen.nl/images/roblox-robux-cheats-2021.pdfIn PDF document text
    • http://ptts.pl/images/roblox-free-robux-promo-codes-list.pdfIn PDF document text
    • https://www.fhccu.com/images/free-roblox-account-cookies.pdfIn PDF document text
    • https://www.foodsafety.cz/images/roblox-bulbul-hack.pdfIn PDF document text
    • http://hardbit.cn/images/roblox-teasure-hunt-simulator-hack.pdfIn PDF document text
    • https://www.stkdb.cz/images/free-roblox-doge-hat.pdfIn PDF document text
    • https://www.lomrad.go.th/images/roblox-hacks-for-strucid.pdfIn PDF document text
    • http://seniornetwanganui.org.nz/images/roblox-prison-life-cheat-engine-wall-codes.pdfIn PDF document text
    • http://icomsolutions.com.au/images/free-catalog-roblox-java-script.pdfIn PDF document text
    • http://finalstand.org/images/hacks-para-infinity-anime-roblox.pdfIn PDF document text
    • https://esl.ipb.ac.id/images/roblox-tokyo-ghoul-online-how-to-get-free-half-ghoul.pdfIn PDF document text
    • https://www.hbproducts.dk/images/roblox-hack-teleport-and-wool-and-speed-and-In PDF document text
    +11 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000825c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x825C 25184 bytes
SHA-256: aed3049cc91b37dbf998495481b2ab4800746f7152545108b7455e91eaad5935
font_01_sfnt_off0000bb5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB5F 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000c50f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC50F 18636 bytes
SHA-256: 231b34ca9232aa080995366bc93298bca3a1bef714288a2db07b63fa8046ea5e