Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ddfe82396c95bc3…

MALICIOUS

PDF

35.1 KB Created: 2021-06-26 08:47:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: da4d3f03a46b152e6ededfd756acf533 SHA-1: d633a274b353034b4e21e9bb6535999515a49cff SHA-256: 8ddfe82396c95bc36c9d01d2e42eb895597a7e468eebca5081969060477721c7
82 Risk Score

Malware Insights

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

This PDF document employs a game hack lure, specifically for Roblox Robux, to trick users into clicking malicious links. The document body and heuristics indicate a clear intent to redirect users to external sites that likely host malware or facilitate further compromise. The primary link identified is http://netcdn.co/app/431946152/roblox-robux-hack-2021-download-game-hack, which is presented as a download for the hack.

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-robux-hack-2021-download-game-hack PDF link annotation
    • http://perpustakaan.bundadelimalampung.ac.id/repository/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-rocitizens-money-hack-cheat-engine_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/mcpe-free-download_GM479516143.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/hack-coin-master-online_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-to-use-redstone_GM479516143.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-do-you-get-roebucks_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-free-airport_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-pokemon-brick-bronze-hack-money_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-party-invitations-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/coin-master-34-4-hack-download_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-trolling_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/is-there-a-way-to-get-free-robux_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_off00002fc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC2 22600 bytes
SHA-256: 6d03a8b517a8bd12e29a9312fde09e42bf7b7b008c84e778946184253da9607c
font_01_sfnt_off0000622d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x622D 19704 bytes
SHA-256: 18f9fe0802ff221e9460341d5dbca61752050f08782bfd1465f2e20583671772

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