Malicious PDF — malware analysis report

Static analysis result for SHA-256 282365d44f901f61…

MALICIOUS

PDF

34.6 KB Created: 2021-06-28 12:19:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a87a040f7305d809d860df666f3b702c SHA-1: 8e1ccf06d442dc0ff7e87fe4dc0c7fc2ba470ba8 SHA-256: 282365d44f901f61023bfbaa674c8d40f1c3f1d595319e4726c6c61d57e33e3c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links, including one specifically identified as a 'free generator / game hack' redirector. The document body and heuristics suggest a lure to trick users into clicking these links, likely leading to malicious websites or downloads. While no scripts were explicitly extracted, the PDF structure and embedded URIs indicate a malicious intent to redirect users to potentially harmful content.

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/command-bar-script-roblox-hack-game-hack PDF link annotation
    • http://digilib.akperkabpurworejo.ac.id/repository/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/free-foxy-food-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/www-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/minecraft-marketplace-free_GM479516143.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/cm-spin-link_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/free-minecraft-shaders_GM479516143.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/speed-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-robux-reedeem-codes_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/minecraft-pe-apk_GM479516143.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/coin-master-free-spins-16-04-19_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/hacks-para-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/cheat-codes-for-roblox-2021-rocity_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/coin-master-free-spin-app-reviews_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/infident-jump-hack-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-robux-no-human-verification-not-lieing_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/free-coin-master-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/cringe-guys-trying-to-have-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/tiktok-free-folowers-4tiktok-site_GM835599320.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_off00002f25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F25 22324 bytes
SHA-256: 77ba3eadfc6cf7a10be92bf591f33afe29e19c12d32674ecffd1206c81b8005d
font_01_sfnt_off000060cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60CD 19488 bytes
SHA-256: 3ccc282315c14e4f3062d710ee4a4b2473cd0dbdcda439e2fcac887841d03da7

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