Malicious PDF — malware analysis report

Static analysis result for SHA-256 af59dedee12dbf34…

MALICIOUS

PDF

42.1 KB Created: 2021-05-12 17:28:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a3656577ceff318540801c4c72b351d1 SHA-1: aa542f1ab1b8bc09cc9e90824f441e4be6d5559a SHA-256: af59dedee12dbf347e2df5e1fb12ce5ebec7854d4992a456fab571e7fcd451af
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free game hacks' and generators. The primary lure appears to be related to Minecraft and other popular games, aiming to trick users into visiting potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a social engineering tactic to drive traffic to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/how-to-get-minecraft-windows-10-for-free-with-java-game-hack In PDF document text
    • http://www.das-kinderzimmer.net/images/sites-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/coinmasterhack-club_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/coin-master-free-spins-ios_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/wurst-download_GM479516143.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/minecraft-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/how-to-hack-coins-in-mcpe-master_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/coin-master-free-spins-ios-app_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/unlimited-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/coin-master-apk-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/minecraft-items_GM479516143.pdfIn PDF document text
    • http://www.das-kinderzimmer.net/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://www.youtIn 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_off00004852.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4852 25068 bytes
SHA-256: 069019e8ea25933562444874f2721edf6d68890f26cadbaf92b9d9202ceafde4
font_01_sfnt_off0000802f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x802F 18972 bytes
SHA-256: 8e658ed9ffe7233ae998901bc6eec399b36e43f77efcaafe704fa409c54d4733

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