Malicious PDF — malware analysis report

Static analysis result for SHA-256 12e681ad79313a3a…

MALICIOUS

PDF

60.7 KB Created: 2021-04-05 18:21:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31
MD5: a65c45b3bc01040b792dba289a9993ea SHA-1: e6655d205c853b1390e8c56ee320683981bfa2c3 SHA-256: 12e681ad79313a3a0b7b7df7b539af065aa969b789beafc365fc7a315ba8a194
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous links to external websites that promise free in-game items and hacks for Roblox. The heuristic PDF_GAME_HACK_SEO_LINK_FARM indicates a link farm designed to lure users with gaming-related scams. The document body and extracted URLs confirm this pattern, suggesting the primary goal is to direct users to potentially malicious sites for scams or credential theft. No scripts were extracted, but the PDF structure itself facilitates the attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5391

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-get-free-avatar-items-in-roblox PDF link annotation
    • https://ballaratcaravans.com.au/images/robux-hacks-reddit.pdfIn PDF document text
    • https://gaj.rs/images/free-mobile-24-com-robux.pdfIn PDF document text
    • http://www.mjclautrec.fr/images/roblox-cheat-engine-fly-hack.pdfIn PDF document text
    • http://sealysports.com/images/free-roblox-jump-exploiut.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/working-robux-pastebin-hack.pdfIn PDF document text
    • https://www.ergolight.at/images/hack-de-allah-akabar-roblox.pdfIn PDF document text
    • http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-dominus-roblox-console.pdfIn PDF document text
    • http://ivalor.fr/images/roblox-assassin-free-knives.pdfIn PDF document text
    • http://mechanism.gr/images/roblox-minecraft-game-free.pdfIn PDF document text
    • http://tehergumi.hu/images/roblox-hack-no-climp.pdfIn PDF document text
    • http://jbm-constructions.com/images/roblox-rocitizens-codes-for-free-items.pdfIn PDF document text
    • https://www.hotschool.com.au/images/roblox-hack-how-to-get-free-tix.pdfIn PDF document text
    • https://www.ncscolour.no/images/how-to-hack-epic-minigames-roblox.pdfIn PDF document text
    • http://finettifrs.it/images/unknown-cheats-roblox.pdfIn PDF document text
    • https://www.cpnf.ch/images/how-to-hack-someone-in-roblox-2021.pdfIn PDF document text
    • http://salantiskis.lt/images/roblox-hack-apocalypse-rising-2021-download.pdfIn PDF document text
    • http://fm-express.de/images/draw-it-hack-roblox.pdfIn PDF document text
    • https://sdg-trade.com/images/real-free-robux-games-on-roblox.pdfIn PDF document text
    • https://osk-sibir.ru/images/free-robux-generator-2021-no-app-download.pdfIn PDF document text
    • http://escolaarboc.cat/images/auto-redeem-roblox-hack.pdfIn PDF document text
    • http://unc-europe.com/images/robuxlive-stream-roblox-hack.pdfIn PDF document text
    • http://www.zdravazena.sk/images/free-legel-robux.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/how-to-hack-robux-on-roblox-2021.pdfIn PDF document text
    • https://kunstmalen.ch/images/cheat-codes-for-bank-tycoon-roblox.pdfIn PDF document text
    • http://sscclc.edu.ec/images/free-robux-best-hack.pdfIn PDF document text
    • http://www.brtes.com/images/como-ser-hacker-en-roblox-2021.pdfIn PDF document text
    • http://www.maakherumusic.net/images/give-free-account-roblox-13jun-2021.pdfIn PDF document text
    • http://jackson-pr.com/images/race-7-mejor-hack-roblox.pdfIn PDF document text
    • https://studiodegaetano.it/images/island-life-paradise-hack-script-roblox.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/roblox-hacks-2021-epicmini-games.pdfIn PDF document text
    • https://ghpa.ru/images/roblox-bubble-gum-simulator-cheat-version.pdfIn PDF document text
    • http://greenoase.be/images/vuxvux-free-robux.pdfIn PDF document text
    • http://www.visiblefilm.com/images/free-nike-clothes-on-roblox.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/roblox-hack-robux-2021-pc.pdfIn PDF document text
    • http://riccardodurso.it/images/how-to-get-explorer-up-on-roblox-hack-v3rmillion.pdfIn PDF document text
    • https://www.nema.go.ke/images/tiny-tanks-roblox-hack-2021.pdfIn PDF document text
    • http://fa-deco.com/images/hack-de-robux-para-todos-pastevincom.pdfIn PDF document text
    • http://dennemaat.nl/images/how-to-hack-a-roblox-account-with-inspect-element-2021.pdfIn PDF document text
    • http://ghegamethu.vn/images/hacking-jakes-account-in-roblox.pdfIn PDF document text
    • http://solidcommunication.ch/images/roblox-to-play-games-for-free.pdfIn PDF document text
    • https://www.air-shop.cz/images/how-to-get-free-robux-2021-feb-eazy.pdfIn PDF document text
    • http://energotestcontrol.ru/images/this-roblox-obby-gives-you-free-robux.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-sell-items-for-robux-for-free.pdfIn PDF document text
    • http://www.peterdejonge.nl/images/roblox-hack-unlimited-robux.pdfIn PDF document text
    • https://raduzhnyj.od.ua/images/autoclick-hack-for-roblox.pdfIn PDF document text
    • http://www.hotelcomelico.it/images/pastebin-robux-hack.pdfIn PDF document text
    • https://ghpa.ru/images/roblox-studio-hacked.pdfIn PDF document text
    • http://www.zdravazena.sk/images/free-gift-card-roblox-wix.pdfIn PDF document text
    • https://tokunfome.com.br/images/cite-roblox-hacker.pdfIn PDF document text
    +11 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00007fed.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7FED 28572 bytes
SHA-256: eb87ff7cede5e7a8b0086e7c4ed6872898f4a38215e2990d8ecdcee3141b341a
font_01_sfnt_off0000bfc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBFC5 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000c975.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC975 18404 bytes
SHA-256: 93c575a0472dbb0ee13e7534eede8b886c3a7daa4b8d5fb48147d340ea29309f