Malicious PDF — malware analysis report

Static analysis result for SHA-256 2690d8fe07ccc345…

MALICIOUS

PDF

36.2 KB Created: 2021-06-22 18:25:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: fe4c9ca2d01aa2f71716838937828450 SHA-1: 3038f08bef10e027793ac43e55fce7d793ae13f0 SHA-256: 2690d8fe07ccc34532f9c12665c3a8e0a4e2b275faf8a00dcc0f7be81cefdc2b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a 'Roblox Hack' and includes a high-risk redirector URL. The ML classifier also flagged this PDF as malicious. The document body and embedded URLs suggest the primary goal is to redirect the user to a site that likely hosts further malicious content or prompts for downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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://netcdn.co/app/431946152/roblox-hack-no-human-verification-or-survey-2021-game-hack PDF link annotation
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-robux-hack-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/prison-breaker-hack-script-roblox-pastebin_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/promobilemafiacom-robux-cheats_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/hacks-roblox_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-200-dollar-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-generator-app_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/how-to-roblox-noclip-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/websites-that-give-you-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-red-hair-roblox_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-giveaway-2021-live_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-command-cheats_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-booga-booga-fly-hack-may-26_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/esp-hacks-roblox_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-obbys-may-2021_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/free-robux-today_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/que-hacer-cuando-te-hackean-la-cuenta-de-roblox_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/treasure-hunrt-simulator-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.intercraftgallery.com/uploaded_files/userfiles/files/roblox-free-headphones-2021_GM431946152.pdfIn 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_off00003277.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3277 22628 bytes
SHA-256: 3500ae9ed080edaa13113b6d167611e421fa42f4fc16144a60e11c3b6057103e
font_01_sfnt_off0000654f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x654F 20112 bytes
SHA-256: a26f98280c5e1c3b19d7793264a91ff5c242f414ce90b8c8cddb2708698962d8

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