Malicious PDF — malware analysis report

Static analysis result for SHA-256 0322847a7563e501…

MALICIOUS

PDF

42.0 KB Created: 2021-05-17 00:13:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 4055ea25ee7a5a29a7c09d763fc4de13 SHA-1: 7c4510d80b7d71a5784c3347b7a064b6f8428d4e SHA-256: 0322847a7563e5013e9f1d4f1c1bb8f54f8275534188b8634e9fbc794174dc17
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector, specifically https://netcdn.xyz/app/479516143/minecraft-packs-free-game-hack. The document body also contains numerous URLs pointing to similar game-related cheat pages. This suggests the document is a lure to trick users into visiting malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/479516143/minecraft-packs-free-game-hack PDF link annotation
    • http://cornerstonedurham.com/images/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/generator-robux_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-spins-generated-from-coin-master_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/www-free-robux-com_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-spin-coin-master-today_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/coin-master-free-spin-and-coin-link-today_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/how-to-hack-in-arsenal_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/how-to-download-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
    • http://cornerstonedurham.com/images/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/coin-master-free-coins-twitter_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-card-link-coin-master_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/ultimate-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://cornerstonedurham.com/images/roblox-install-free_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/free-robux-no-human-verify_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://cornerstonedurham.com/images/today-free-spin-link-for-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
font_00_sfnt_off000049c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49C2 25772 bytes
SHA-256: c93f9096b516534268b2a3f75ec6ee5aa6714e2a720cac94b7bc39880b845e5b
font_01_sfnt_off00008360.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8360 17892 bytes
SHA-256: 28bf341ddf3e4fc6c44bfb74e5ae7c03e5884bb4772c75cdbdc503afd42c19ec

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