Malicious PDF — malware analysis report

Static analysis result for SHA-256 e73b697e91ed17a9…

MALICIOUS

PDF

44.1 KB Created: 2021-06-03 14:14:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 865686a49673ad30829779fadfd1c6d2 SHA-1: 4f633219f16d29830562585654f300b910652149 SHA-256: e73b697e91ed17a9a06b1d9fe690b5e887215dd3e12ca7304ea410f7fa8503c4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of free game hacks and in-game currency to trick users into clicking malicious links. The primary link directs to a site offering a 'free modded minecraft server game hack', which is a known tactic for distributing malware. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/479516143/free-modded-minecraft-server-game-hack PDF link annotation
    • https://digilib.stieama.ac.id/repository/free-robux-download_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hacks-to-get-spins_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/gaming-dunia-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hack-spin-160-pro_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hack-apk-app_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/microsoft-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-robux-website_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hack-ios-app_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-facebook-free-spins_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-spin-coin_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-marketplace-free_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-get-free-coins-and-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-microsoft-rewards_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-sign-in-free_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-phantom-forces-hack_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
stream_004_off000052be.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x52BE 24432 bytes
SHA-256: b0cf93338859082dba11509cafbdcd8e0995fb60060fadf855f0c041482cedc6
font_01_sfnt_off00008a76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A76 18000 bytes
SHA-256: 088756902f929cbb0d1c0fa5d7f6f3d7dd891fd3cb3329064cb278e0751f8302

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