Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ba21061b340e365…

MALICIOUS

PDF

45.8 KB Created: 2021-05-17 03:18:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 773dbfeeb5f4f03061a730714f4e1997 SHA-1: 473ce2ef5e7557bb4590a52f426ab6c8f38151e6 SHA-256: 4ba21061b340e3653ec75342c127510f59b3954996b8175a3606f490d5920311
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, masquerading as free game hacks or generators. The primary lure URL is https://netcdn.xyz/app/479516143/minecraft-nintendo-switch-digital-code-free-game-hack, which is associated with other suspicious domains. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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-nintendo-switch-digital-code-free-game-hack In PDF document text
    • http://tasleemdubai.com/userfiles/files/legit-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/ro-ghoul-script_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/best-site-for-free-coin-master_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-hack-unlimited-spins-apk_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/is-minecraft-free-on-ps4_GM479516143.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/hack-coin-master-apk-ios_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-free-spin-whatsapp-group-link_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/minecraft-logo-maker-free_GM479516143.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-coin-app_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/hack-xp-net-generators-coin-master_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/roblox-arsenal-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.freenom.comHeyIn PDF document text
    • https://www.youtIn 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_003_off00004c15.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C15 32668 bytes
SHA-256: fcecda7a35e02647849b4ef8a18db9e15959a43a7ef43afff89cc8e58c298777
font_01_sfnt_off00008fb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FB6 18744 bytes
SHA-256: 39428c206c609bf194df99e48b3a05aaca79100e1a0a860ab3e065a57b3738de

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