Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2c6a899104abec7…

MALICIOUS

PDF

44.5 KB Created: 2021-06-03 23:38:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 514ce7b360f733b40e5d337c904b0524 SHA-1: 807069768d7831cf04368166e95f2039d072d214 SHA-256: c2c6a899104abec77de7e9755e197d80e3f9b19c199f4117393a22f93fec15c9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of offering game hacks to trick users into clicking malicious links. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' and the presence of multiple URLs pointing to similar deceptive content strongly indicate a phishing or scam attempt. Although no scripts were extracted, the document's structure and embedded links suggest it is designed to redirect users to potentially malicious websites.

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/406889139/coin-master-hack-no-human-verification-2021-game-hack PDF link annotation
    • http://elibrary.perludem.org/repository/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/minecraft-pe-016-0-apk-download-free_GM479516143.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-free-link-app_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/how-to-change-roblox-name-for-free_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-hack-app-android-download_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/how-to-get-800-robux-for-free_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-hack-tool-without-verification_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/do-you-get-windows-10-minecraft-for-free-with-java_GM479516143.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/hack-coin-master-apk-mod_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/2021-free-spins-on-coin-master_GM406889139.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
stream_004_off0000517c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x517C 24728 bytes
SHA-256: 398af90a2ab27feab2ed9d23f229ebafc55a0d2e0d3af322d7bfe9e6337ff0ec
font_01_sfnt_off00008a3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A3B 18652 bytes
SHA-256: a8ac93ce14fdca52a5b6c8b5e666cce4eecb8a0a07e33e24ccf8b934d9dd8f42

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