Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bac1dfb06e52b5a…

MALICIOUS

PDF

33.0 KB Created: 2021-07-01 13:28:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: f6d09761886000d9c3782705d60e7582 SHA-1: 9757c209c764044a34096fe7e341ab20107551f1 SHA-256: 7bac1dfb06e52b5abb1d291c32d831f75d610c2de44208651ae4cbed7ad6fcb4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a lure, presenting itself as a guide to hacking games like Roblox and offering free in-game currency. It contains numerous links to external websites, including http://netcdn.co/app/431946152/how-to-hack-roblox-shinobi-life-game-hack, which likely host malicious content or further phishing attempts. The ML classifier strongly indicated maliciousness, and the overall structure points to a social engineering attack.

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/how-to-hack-roblox-shinobi-life-game-hack PDF link annotation
    • http://perpustakaan.ipts.ac.id/repository/infinite-health-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/avatar-de-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-robux-hack-free-download-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/youtube-hack-for-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/free-robux-no-survasy-or-taksks_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-sign-in-free-online_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/why-am-i-a-cheater-in-roblox-parkour_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/good-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-tab-font-free-download_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-account-being-hacked_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/hack-rrobux-infinitos-en-roblox-pastebin_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/how-to-win-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.ipts.ac.id/repository/roblox-free-300-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_off00002cfd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFD 21388 bytes
SHA-256: f99b78afa92c39a73de1b19b68e1d2b090f9e45d7715dee30adfad8aeb60c9a8
font_01_sfnt_off00005bad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BAD 19104 bytes
SHA-256: ae659349e24dc68e38e60de5620e0801f3ade19d4f39c44c96a5b3b72a1b004e

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