Malicious PDF — malware analysis report

Static analysis result for SHA-256 57b3fe30f7d98bd1…

MALICIOUS

PDF

34.7 KB Created: 2021-07-04 07:48:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: ef4fda2d906a2037406a203c17b6cd9c SHA-1: 849f79d5e8dcb4dfcc19cfcd7350b9b290128ef0 SHA-256: 57b3fe30f7d98bd1c5c7169a62542828da336b130b0270cbf16c1262c5551e61
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links and text referencing game hacks and free currency for popular games like Roblox and Minecraft. The primary link, http://netcdn.tw/app/431946152/roblox-no-download-hack-game-hack, is flagged as a lure for game hacks. The document's purpose appears to be directing users to potentially malicious websites that offer cheats or exploit kits, likely as a pretext for malware distribution or phishing.

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.tw/app/431946152/roblox-no-download-hack-game-hack PDF link annotation
    • http://digilib.stie-yppi.ac.id/repository/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/hacks-para-tener-robux-2021_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/how-to-hack-in-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/free-house-for-meep-city-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/free-roblox-game-card-codes-no-survey_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/robux-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/roblox-mod-free-robux-apk_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/hacks-for-counter-blox-roblox-offensive_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/free-daily-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/free-roblox-promo-codes-november-2021_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/robux-games_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/www-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.stie-yppi.ac.id/repository/free-robux-codes-september-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB7 22588 bytes
SHA-256: 2ef3fb71e4e3675d199d51decd409b96a62b4dafd0206c291993b8ef5e7dec2f
font_01_sfnt_off0000622e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x622E 19160 bytes
SHA-256: 38656f57ea632c5ae9aff0990ef32f47b4b1b394188ef10efa33bf9d5ff74d0d

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