Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba8676af1633c81d…

MALICIOUS

PDF

34.1 KB Created: 2021-06-25 16:40:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 555d67c569d511870da7a4559d50b9c3 SHA-1: 87f5cb126d745c43e2ce782d027345d43ba21fdd SHA-256: ba8676af1633c81dfc79575f0867461bff6f24ee9a0d5765103ae2abf2c10e0f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to websites offering game hacks and free in-game currency, such as 'Roblox Dubliezieren Hack'. These links are likely intended to redirect users to malicious sites for phishing or malware distribution. The ML classifier also flagged this PDF as malicious with high confidence.

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-dubliezieren-hack-game-hack PDF link annotation
    • http://slim.sisminkada.net/repository/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-site_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-free-spins-link-may-2021_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/como-descargar-hacks-en-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-knife-codes-for-assassin-roblox_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/get-gold-coin-master-village-hack_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-boku-no-hero-academia-hack_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/ho-to-get-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-catalog-free_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/guest-roblox-faced-hacked_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-cheat-engine-fix_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/minecraft-login-free_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-games-free-admin_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_off00002f6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F6D 21912 bytes
SHA-256: fb9e0816f4a749e14fb3b3ae0862cfc6e6a3f3da2ccd299a2140c1c767a711e0
font_01_sfnt_off00005fb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB8 19168 bytes
SHA-256: 9cc715fff30d89ed1efcd6abe7315e2ef5eb9d07a62baa66644ce57523000dc2

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