Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1675224cb2d8785…

MALICIOUS

PDF

60.1 KB Created: 2021-04-05 18:53:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: bfc93a67362380a31cebaf13a952705c SHA-1: 954d8b07b99d64fcfed80800e96b25805c905c13 SHA-256: f1675224cb2d87851ac4669b0e97172f5d20b55b54b14f98567b930c5b515cf3
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded URLs, many of which are related to game hacks and cheats, specifically for Roblox. The heuristic 'PDF_GAME_HACK_SEO_LINK_FARM' indicates a link farm designed to lure users with promises of free in-game items. The ML classifier also flagged the document as malicious. The primary attack pattern involves tricking users into clicking these malicious links, which likely lead to scam pages or malware.

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/roblox-shinobi-story-cheats PDF link annotation
    • http://www.rezbb.sk/images/how-to-get-free-robux-2021-march.pdfIn PDF document text
    • http://evp-sanorlenok.ru/images/como-instalar-hacks-en-roblox-2021.pdfIn PDF document text
    • http://homequeen.de/images/free-white-shirt-roblox.pdfIn PDF document text
    • http://w-i-r.de/images/roblox-best-hack-clients-virus-free.pdfIn PDF document text
    • http://www.teapotjewelry.com/images/roblox-pubg-hack.pdfIn PDF document text
    • http://classicskitours.net/images/roblox-boxing-sim-hacks.pdfIn PDF document text
    • http://installer-m.ru/images/easy-robux-hacks-2021.pdfIn PDF document text
    • https://pagadder.com/images/hacka-for-mobile-roblox.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-escape-game-cheat.pdfIn PDF document text
    • http://www.apocalissedigesucristo.com/images/proxy-roblox-hack-download.pdfIn PDF document text
    • http://wireprod.net/images/vehicle-tycoon-roblox-hack.pdfIn PDF document text
    • https://www.showalterpropertyconsultants.com/images/roblox-fly-hack.pdfIn PDF document text
    • https://www.yewtreealpacas.co.uk/images/roblox-sword-fight-on-the-heights-original-how-to-hack.pdfIn PDF document text
    • http://portal.crfsp.org.br/images/descargar-roblox-hack-adopt-me-para-pc.pdfIn PDF document text
    • http://www.notaioricci.it/images/how-to-hack-a-account-roblox.pdfIn PDF document text
    • http://joshherman.com/images/roblox-jailbreak-noclip-hack-no-download.pdfIn PDF document text
    • https://rincondelentrenador.com/images/roblox-dll-injector-hack.pdfIn PDF document text
    • http://www.lovecraftiana.com.ar/images/frees-robux-generator.pdfIn PDF document text
    • http://lechia-sedziszow.pl/images/free-999m-robux.pdfIn PDF document text
    • https://cdu-lengerich.de/images/roblox-dragon-ball-rage-stats-hack.pdfIn PDF document text
    • http://arcnjournals.org/images/tps-new-tools-free-roblox.pdfIn PDF document text
    • https://www.utalii.ac.ke/images/online-hack-for-roblox.pdfIn PDF document text
    • http://centralbasinroofing.com/images/roblox-phantom-forces-cheat-engine-table.pdfIn PDF document text
    • http://bb-im2.com/images/how-to-get-free-exotics-in-roblox-assassin-2021.pdfIn PDF document text
    • http://ozonizarint.com/images/free-2021-accounts-roblox.pdfIn PDF document text
    • http://smart-pro.co.uk/images/como-hackear-la-cuenta-de-mellovesbunnys-en-roblox.pdfIn PDF document text
    • http://condit-pack.com/images/free-halloween-costumes-on-roblox.pdfIn PDF document text
    • http://www.boic.nl/images/hacks-to-get-free-stuff-on-roblox.pdfIn PDF document text
    • http://cdescolapios.org/images/roblox-exploit-free-executor-2021.pdfIn PDF document text
    • https://sitam.co.in/images/can-you-actually-hack-roblox-for-robux.pdfIn PDF document text
    • https://www.mrsz.ir/images/arsenal-roblox-hack-script.pdfIn PDF document text
    • https://sitam.co.in/images/roblox-hack-program-free-download.pdfIn PDF document text
    • http://www.peterdejonge.nl/images/red-pants-roblox-free.pdfIn PDF document text
    • http://www.boic.nl/images/how-to-hack-people-in-roblox-with-robux.pdfIn PDF document text
    • https://www.iadh.bi/images/hack-pc-roblox-jailbreak.pdfIn PDF document text
    • http://swibome.nl/images/oli-zigzag-roblox-free.pdfIn PDF document text
    • http://nosocomium.rv.ua/images/roblox-synapse-download-free.pdfIn PDF document text
    • http://www.yes-info.fr/images/how-to-get-500-robux-for-free-2021.pdfIn PDF document text
    • https://www.sitiwebjoomla.it/images/how-to-hack-all-the-cargo-crates-in-roblox.pdfIn PDF document text
    • http://shiny-nn.ru/images/how-to-hack-roblox-hotel-elephant.pdfIn PDF document text
    • http://businessfit.com/images/free-robux-android-fast.pdfIn PDF document text
    • http://caraless.com/images/roblox-dll-hack-roghoul.pdfIn PDF document text
    • https://sitam.co.in/images/how-to-script-hack-roblox.pdfIn PDF document text
    • http://www.lycee-langevin-wallon.com/images/antlers-roblox-free.pdfIn PDF document text
    • http://www.bernerpupping.at/images/free-generator-for-card-roblox-robux.pdfIn PDF document text
    • http://unionmusicaldebenidorm.com/images/apocylopse-rising-roblox-hacks.pdfIn PDF document text
    • http://chartsmart.com.au/images/how-to-hack-roblox-accounts-without-cheat-engine.pdfIn PDF document text
    • http://beer-holzhaus.ch/images/can-roblox-accounts-be-hacked.pdfIn PDF document text
    • http://greasley.online/images/hackear-roblox-cr7.pdfIn PDF document text
    +16 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00008372.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x8372 25292 bytes
SHA-256: b57bea5f916e49c47e9478a7b73ebd2950fd5ede36e68a8005991dc3008b1419
font_01_sfnt_off0000bdfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBDFA 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000c7ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7AB 18168 bytes
SHA-256: 4f3072f629cba71de766fa0def6ce512dc43fad995252f51b57274d9b397939b