Malicious PDF — malware analysis report

Static analysis result for SHA-256 95d66a84d278fb53…

MALICIOUS

PDF

27.2 KB Created: 2021-04-03 23:50:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 72098260dd8908ee2919e9895cba6d3f SHA-1: ccb997c44d80f9bddd3da9db913d3c85158ec807 SHA-256: 95d66a84d278fb533fbb6ce23ede8d39768190a01d47e6acdfdb7e2c106611b1
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to websites offering game hacks and cheats, specifically targeting Roblox. The ML classifier and heuristic firings strongly indicate malicious intent, likely to lure users to scam or phishing sites. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to malicious external content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • 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.
  • 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/piano-hack-roblox PDF link annotation
    • http://www.sanjosedeminas.gob.ec/images/free-robux-rxgatecf.pdf%0AIn PDF document text
    • http://www.lionel-seppoloni.fr/images/roblox-cheat-engine-scripts-2021.pdf%0AIn PDF document text
    • http://kids-academy.pl/images/is-roblox-being-hacked.pdf%0AIn PDF document text
    • https://ballaratcaravans.com.au/images/roblox-gift-card-hack-2021.pdf%0AIn PDF document text
    • https://socialvalue.gr/images/how-ro-get-free-robux-just-by-using-a-hat.pdf%0AIn PDF document text
    • https://gomsa.nl/images/face-roblox-free.pdf%0AIn PDF document text
    • http://echosvoix.ch/images/how-to-hack-roblox-ultimate-driving.pdf%0AIn PDF document text
    • https://www.u-pin-it.com/images/how-to-get-free-robux-hack-2021-no-verification.pdf%0AIn PDF document text
    • https://www.abrapppe.org.br/images/free-robux-no-survey-no-download-2021-no-human-verification.pdf%0AIn PDF document text
    • http://echosvoix.ch/images/free-roblox-games-for-girls.pdf%0AIn PDF document text
    • https://www.beaufortcollege.ie/images/roblox-free-download-computer.pdf%0AIn PDF document text
    • http://iluvlocalplaces.com/images/best-free-gear-in-roblox.pdf%0AIn PDF document text
    • https://ballaratcaravans.com.au/images/roblox-free-tycoon.pdf%0AIn PDF document text
    • http://aeroclub-kaernten.at/images/free-level-7-executor-roblox-2021.pdf%0AIn PDF document text
    • https://www.millatgears.com/images/free-roblox-games-for-pc.pdf%0AIn PDF document text
    • https://www.hotschool.com.au/images/mod-menu-roblox-no-crashing-free.pdf%0AIn PDF document text
    • https://www.mvp.co.nz/images/free-robux-quick-and-easy-2021.pdf%0AIn PDF document text
    • http://escolaarboc.cat/images/robux-hack-synapse.pdf%0AIn PDF document text
    • https://www.cosmosdawn.net/images/free-virtual-code-roblox.pdf%0AIn PDF document text
    • https://www.utalii.ac.ke/images/roblox-thanos-shirt-free.pdf%0AIn PDF document text
    • https://www.fhccu.com/images/beyond-roblox-cheat-engine.pdf%0AIn PDF document text
    • https://www.najeebqasmi.com/images/how-to-hack-robux-2021-may.pdf%0AIn PDF document text
    • http://www.jureclomas.com.ar/images/free-printable-roblox-birthday-party-invitations.pdf%0AIn PDF document text
    • https://consorziocsa-asicaivano.it/images/hacking-in-to-deniss-roblox-account.pdf%0AIn PDF document text
    • https://www.tsdb.com.au/images/unlimited-robux-hack-no-survey.pdf%0AIn PDF document text
    • http://ns1.radiofacil.net/images/cool-hacker-names-for-roblox.pdf%0AIn PDF document text
    • http://aeroclub-kaernten.at/images/how-to-get-free-robux-2021-january.pdf%0AIn PDF document text
    • https://technospektr.com.ua/images/free-robux-generator-no-survey-or-download-2021.pdf%0AIn PDF document text
    • http://www.eurologistiki.gr/images/roblox-free-draw-hack.pdf%0AIn PDF document text
    • https://www.academiaanticorrupcion.org/images/how-to-be-headless-in-roblox-2021-for-free.pdf%0AIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off00003355.bin)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003355.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3355 18872 bytes
SHA-256: 7245878f6ccba3df6d753fb38ddcec86ce91dd34116769e2d0b692762aaba7a6