Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6c3092962ad306a…

MALICIOUS

PDF

35.5 KB Created: 2021-07-06 06:56:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 9d96e6c9ed99377b857448ec4f0fe34e SHA-1: fdff0a3cba318594f2065565783e0c4bb5237744 SHA-256: c6c3092962ad306a98f808f562e4d921313a7d50a0a675f700a13d3fcec060b4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains multiple embedded links that lead to websites offering "free generator / game hack" lures for popular games like Coin Master and Roblox. The primary malicious link identified is http://netcdn.tw/app/406889139/coin-master-free-coins-2021-game-hack. The document's structure and content strongly suggest it is designed to trick users into visiting these malicious sites, likely as part of a phishing or malware distribution scheme. No scripts were extracted, but the PDF's nature points to T1566.001 (Spearphishing Attachment) as the likely initial access vector.

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.tw/app/406889139/coin-master-free-coins-2021-game-hack PDF link annotation
    • http://lib.unar.ac.id//repository/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/coin-master-free-gold-cards-link_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/roblox-hack-game-tool_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/roblox-comroblox_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/httpswwwurcouponsdealcom202103coinmasterfreespinandcoinlinkshtml_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/coin-master-hack-online-no-human-verification_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/how-to-get-free-robux-on-xbox-one-2021_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/coin-master-free-redeem-code_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/free-coin-spin_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/coin-master-hack-apk-link_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/coin-master-free-spin-and-coins-links-home_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/hack-my-game-xyz-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.unar.ac.id//repository/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://lib.unar.ac.id/repository/free-robux-codes-no-human-verification_GM431946152.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
font_00_sfnt_off00003342.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3342 23236 bytes
SHA-256: b1b910b8008d7eb155138d56031f43041de8c31bf299ed645ce75a96b1f9d227
font_01_sfnt_off000067aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67AA 18400 bytes
SHA-256: 0cc69a54ece3ed14f72d45612a229cad946be49a09675100e3633ee455bac280

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