Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b89ecc49e087918…

MALICIOUS

PDF

20.9 KB Created: 2021-07-06 01:57:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 1c770efac918d1c8ed142d1a94ea7fa6 SHA-1: 040eb9bdcaa9edfe77315f38f3e4002496254361 SHA-256: 7b89ecc49e0879182097bd192027aaa21bf9e3318d96300692ef4a87d1f1325d
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded links, including one pointing to 'roblox-free-exploits-game-hack'. The ML classifier and heuristic firings strongly indicate malicious intent, likely to redirect users to scam or phishing sites. No scripts were extracted, but the document's structure and embedded URLs suggest a social engineering lure to trick users into visiting malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 3

  • 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.
  • 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-free-exploits-game-hack PDF link annotation
    • http://perpus.i2s-learning.com//repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-get-free-plus-on-roblox-meepcity-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-hack-android_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-roblox-animations_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-name-hack_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-get-free-builders-club-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/hacks-for-roblox-counter-blox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/minecraft-launcher-free_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-get-free-outfits-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/minecraft-hacks-ps4_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/roblox-free-roblox-games_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text

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