Malicious PDF — malware analysis report

Static analysis result for SHA-256 afe1bb2c2374977e…

MALICIOUS

PDF

59.2 KB Created: 2021-04-05 21:12:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 767a979fae07245d9664ba039c99f1d7 SHA-1: 8ec842ce56e4e13c0e86969d5ca44bfed80a4613 SHA-256: afe1bb2c2374977e72bd8d9a7657a502e7464f34cea8575e5f978cbef8755ea9
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a clear lure for 'Free Robux Gamekit' and embeds a URL pointing to a suspicious domain. The ML classifier also flagged the PDF as malicious. While no scripts were directly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to trick the user into downloading a second-stage payload, likely related to game cheating or account compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7795

Heuristics 4

  • 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/free-robux-gamekit PDF link annotation
    • http://texnes-plus.gr/images/free-printable-roblox-cupcake-toppers.pdfIn PDF document text
    • http://agrao.in/images/roblox-games-with-free-boombox.pdfIn PDF document text
    • https://meltonschool.org/images/cheat-buddy-esp-roblox.pdfIn PDF document text
    • http://killebergsridsport.se/images/inject-hack-roblox-2021.pdfIn PDF document text
    • http://giolantapepe.gr/images/how-to-get-accessories-in-roblox-for-free.pdfIn PDF document text
    • http://scuttworksdesigns.us/images/hack-robux-infinitos-roblox.pdfIn PDF document text
    • http://www.gadanie.lv/images/top-cheat-limited-u-on-roblox.pdfIn PDF document text
    • https://www.only-press.ru/images/roblox-how-to-get-free-gear-2021.pdfIn PDF document text
    • http://cmfd.nl/images/roblox-como-tener-robux-gratis-2021-marzo-nuevo-hack-1millon.pdfIn PDF document text
    • http://avocatultau.eu/images/how-to-use-cheat-engine-on-roblox-2021-pc.pdfIn PDF document text
    • http://britishcomics.com/images/free-swords-on-roblox.pdfIn PDF document text
    • https://europe-upkl.eu/images/easiest-money-hack-febuary-roblox-rocitizens.pdfIn PDF document text
    • http://e-onlinearchiv.de/images/free-robux-now-hol.pdfIn PDF document text
    • http://svp-steinmaur.ch/images/exploit-hack-roblox-synpase-free-download.pdfIn PDF document text
    • http://zarinnameh.ir/images/zyrus-12-roblox-hack-exploit.pdfIn PDF document text
    • http://pa-tanjungselor.go.id/images/roblox-cheat-engine-code-for-robux.pdfIn PDF document text
    • https://arcasict.nl/images/roblox-freenet.pdfIn PDF document text
    • http://asiashop-france.fr/images/broken-bones-roblox-cheats.pdfIn PDF document text
    • http://smart-pro.co.uk/images/free-robux-youtube-2021.pdfIn PDF document text
    • http://sdsdar.org/images/cheat-codes-for-roblox-games.pdfIn PDF document text
    • http://www.pcclawyers.com.au/images/robux-hack-no-human-verification-real.pdfIn PDF document text
    • https://www.beaufortcollege.ie/images/boku-no-roblox-remastered-hack-chose-quirks.pdfIn PDF document text
    • http://posterprintshop.nl/images/assassin-dodge-hack-roblox.pdfIn PDF document text
    • http://www.boic.nl/images/free-admin-roblox-how-to-turn-itto-others.pdfIn PDF document text
    • https://www.seeingindependence.org/images/enderrobux-117-hack-para-tener-robux-gratis.pdfIn PDF document text
    • https://mixdoors.ru:443/images/speed-hack-mac-roblox.pdfIn PDF document text
    • https://gryps.de/images/free-robux-generator-2021-robux-hack-no-survey-updated-get.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/nicsterv-roblox-hackers.pdfIn PDF document text
    • http://loszavera.com/images/gift-card-roblox-free-2021.pdfIn PDF document text
    • https://www.audev.com/images/how-to-transfer-robux-to-another-account-free.pdfIn PDF document text
    • http://sdservicesrl.it/images/if-you-get-hacked-on-roblox-what-do-you-do.pdfIn PDF document text
    • https://www.sitiwebjoomla.it/images/roblox-plants-vs-zombies-battlegorunds-hack.pdfIn PDF document text
    • http://www.zdravazena.sk/images/free-robux-v3m.pdfIn PDF document text
    • http://ivpr.net/images/roblox-free-robux-give-away-lve.pdfIn PDF document text
    • http://chartsmart.com.au/images/gete-free-robux.pdfIn PDF document text
    • http://www.dimalcco.com/images/free-stuff-in-roblox-catalog-2021.pdfIn PDF document text
    • https://www.anagoria.com/images/how-to-get-free-pp-on-the-plaza-roblox.pdfIn PDF document text
    • http://hemmet-strand.dk/images/free-sjywars-servers-for-roblox.pdfIn PDF document text
    • http://korporacjaroma.pl/images/robux-hack-ohne-puk-und-handy-nummer-ein-zu-geben.pdfIn PDF document text
    • http://www.rezbb.sk/images/fps-hacks-roblox-aimbot-not-pf-v20.pdfIn PDF document text
    • http://aeroclub-kaernten.at/images/how-do-you-get-free-robux-without-human-verification.pdfIn PDF document text
    • http://joshherman.com/images/free-robux-on-ipad-ios.pdfIn PDF document text
    • https://liceucastrodelapenya.com/images/roblox-jailbreak-hack-fr.pdfIn PDF document text
    • http://bc97.de/images/how-to-do-a-roblox-hack.pdfIn PDF document text
    • https://kimolos-link.gr/images/roblox-level-7-free.pdfIn PDF document text
    • http://nod74.ru/images/roblox-free-not-to-download.pdfIn PDF document text
    • http://biccairo.com/images/best-free-game-on-roblox.pdfIn PDF document text
    • http://agrao.in/images/free-roblox-accounts-2021-bugmenot.pdfIn PDF document text
    • http://baah.ca/images/roblox-clothing-hack-2021.pdfIn PDF document text
    +15 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000838a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x838A 28820 bytes
SHA-256: fc643f13d7f457594e6a41e9f096d223c13a408ff379eb3e0c21ce1f666c7c72
font_01_sfnt_off0000c4ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4AE 18128 bytes
SHA-256: 8096841d60150dee00eb014abf37140747da4fb6e81bef603c77e28b846cc45c