Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2b0ddec87dfb25b…

MALICIOUS

PDF

44.6 KB Created: 2021-04-07 22:53:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 3bd6be54a76f52a7d62bb3f316b3f66f SHA-1: 5073e3f0f7c61f71752a949332465d89bdd81cfa SHA-256: a2b0ddec87dfb25b29855b6c586adc96c7a5c7e5ef09c44e1e3cc680d9a50f65
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free generator / game hack' for Roblox, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and numerous embedded URLs point to similar scam-related content. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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 https://gaminggenerator.org/app/431946152/como-hackear-jailbreak-roblox-2021-game-hack PDF link annotation
    • https://treeconsult.de/images/roblox-hack-without-human-verification.pdfIn PDF document text
    • http://prodent.com.ua/images/fames-roblox-hacker.pdfIn PDF document text
    • http://bibliotheque-perrigny-les-dijon.fr/images/free-roblox-accounts-2021-bugmenot.pdfIn PDF document text
    • https://www.hotschool.com.au/images/free-cool-robux.pdfIn PDF document text
    • http://lawpatron.ru/images/how-to-jump-hack-in-roblox.pdfIn PDF document text
    • http://promotion.si/images/how-to-get-robux-free-no-download-quick-2021.pdfIn PDF document text
    • http://leagueforwomenrights.gr/images/roblox-zone-hack.pdfIn PDF document text
    • https://verdensbarn.no/images/roblox-songs-for-free-codes.pdfIn PDF document text
    • http://www.inservis.cl/images/free-clothes-in-roblox-catalog.pdfIn PDF document text
    • http://instrutech.co.th/images/free-robux-only-username-no-human-verification.pdfIn PDF document text
    • http://evp-sanorlenok.ru/images/roblox-harry-potter-games-free.pdfIn PDF document text
    • https://gimnaziya6.kz/images/free-robux-by-bananaman-world.pdfIn PDF document text
    • http://hcberg.com/images/robux-hack-proof.pdfIn PDF document text
    • http://esm-royet.de/images/best-free-horror-game-roblox.pdfIn PDF document text
    • https://www.wildpark-johannismuehle.de/images/how-do-you-get-free-robux-on-ipad-mini.pdfIn PDF document text
    • http://junktiquecollector.com/images/robux-hack-download-no-survey-2021.pdfIn PDF document text
    • http://webstan.be/images/free-robux-jpg.pdfIn PDF document text
    • http://briankellyforcongress.com/images/roblox-free-robux-club.pdfIn PDF document text
    • http://islamkennis.com/images/roblox-cheating-girlfriend.pdfIn PDF document text
    • http://energotestcontrol.ru/images/free-roblox-accounts-with-obc-2021.pdfIn PDF document text
    • https://www.hotschool.com.au/images/free-cool-In PDF document text
    • http://promotion.si/images/how-to-get-robux-free-no-download-quick-In PDF document text
    • http://instrutech.co.th/images/free-robux-only-username-no-human-In PDF document text
    • https://gimnaziya6.kz/images/free-robux-by-bananaman-In PDF document text
    • https://www.wildpark-In PDF document text
    • http://junktiquecollector.com/images/robux-hack-download-no-survey-In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004bec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BEC 28760 bytes
SHA-256: 1c09c97c84e1e48e46552ed055cd4620e84245563b88493418d098228cae62ef
font_01_sfnt_off00008b7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B7A 18504 bytes
SHA-256: 78fd77d5d582dd41c51d17411fa19ac346a6b3de4ea6244bda57d72b7c823275

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