Malicious PDF — malware analysis report

Static analysis result for SHA-256 b769664b7a3fd737…

MALICIOUS

PDF

224.0 KB Created: 2021-07-05 15:02:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: dbb75d8920a92c08b4a06837b02ea2f2 SHA-1: eddfe788e26a0dbdce40124a1b32d06cf5ee10e7 SHA-256: b769664b7a3fd737bb276516a869eef4af1610afb80cd16b006e9a730d027103
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a high-severity heuristic indicating it's a game hack lure, directing users to a specific URL. This URL is also flagged as an external URI and embedded within the document body. The presence of a 'Password-protected archive handoff' heuristic suggests the linked content is likely encrypted to bypass security measures, further indicating a malicious intent to trick users into downloading or accessing further stages of an attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.2372

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/1330123889/pubg-uc-nasl-alnr-game-hack PDF link annotation
    • https://library.uigm.ac.id/repository/how-to-become-a-admin-in-roblox-no-hacks_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/haktuts-2021-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-how-to-get-free-clothes_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-get-free-items-in-roblox-games_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-robux-money-no-human-verification_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-robux-gl_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-roblox-script-exector-september-2021_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-get-photoshop-for-free-roblox_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/coin-master-spin-rewards_GM406889139.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-super-power-training-simulator-hack-2021_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-get-free-skin-robux-in-roblox_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-hack-someones-roblox-password_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/rewards-robux_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-robux-apk_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-hacks-commands_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/free-robux-hack-no-fake_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/roblox-flame-exploit-free_GM431946152.pdfIn PDF document text
    • https://library.uigm.ac.id/repository/how-to-get-free-robux-208-legit_GM431946152.pdfIn PDF document text

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