Malicious PDF — malware analysis report

Static analysis result for SHA-256 082e3d77f63f83db…

MALICIOUS

PDF

35.0 KB Created: 2021-06-23 05:33:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 59a690643141fc85491f11968f644023 SHA-1: 3c6a8e7658a2643d5e90923ccc723d3a5e4d326b SHA-256: 082e3d77f63f83db6b6dbd5153f3ba2d6c59016f6fd7fc9f4f50c6710c9c666d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to websites offering game hacks and generators, such as 'roblox-saiyan-simulator-hack-game-hack'. This lure is designed to trick users into clicking the links, likely leading to malware downloads or further phishing attempts. The ML classifier strongly indicated maliciousness, supporting the observed lure.

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-saiyan-simulator-hack-game-hack PDF link annotation
    • http://slim.sisminkada.net/repository/how-to-get-robux-codes-for-free_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/can-you-get-robux-for-free-from-roblox-games_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-website_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/pokemon-go-free-2021_GM1094591345.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-coin-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/impact-minecraft-hack_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-hack-blodfiest-roblox_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-adopt-me-free-pets_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/games-for-robux_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/phantom-forces-roblox-cheat-codes_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-safe_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-any-roblox-game-pass-for-free-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-hack-apk-android-1_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_off00002f45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F45 22896 bytes
SHA-256: 37e6f8ba6d6950c384717f539d50ad2b1d0fa38d6e36ed544913c9be493925ad
font_01_sfnt_off00006297.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6297 19460 bytes
SHA-256: e57ad12a29052af9167829b9b856dec1f67bd4c283ab9d69d720c43b9315f044

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