Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca5bea9c9ce64851…

MALICIOUS

PDF

37.6 KB Created: 2021-05-10 14:33:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f234ba02c3f13681d4f136abaca85190 SHA-1: 6ce58e86f6b13cfc66709598c211947388ab9fde SHA-256: ca5bea9c9ce64851d5f8cbb6026414218d4f5e0799fa7d3132885500636d77a1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, masquerading as game hacks for popular titles like Minecraft and Roblox. The document body explicitly mentions 'Minecraft Reach Hack' and includes a call to action to download a generator, further supporting the lure. The embedded links likely lead to further malicious content or malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9928

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-reach-hack-game-hack In PDF document text
    • http://yogaschooldecypres.be/images/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
    • http://yogaschooldecypres.be/images/minecraft-hacks-for-2b2t_GM479516143.pdfIn PDF document text
    • http://yogaschooldecypres.be/images/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdfIn PDF document text
    • http://yogaschooldecypres.be/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://yogaschooldecypres.be/images/coin-master-hack-apk-35-13_GM406889139.pdfIn PDF document text
    • http://yogaschooldecypres.be/images/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://yogaschooldecypres.be/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://yogaschooldecypres.be/images/free-coin-master-spins-without-human-verification_GM406889139.pdfIn 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
stream_003_off000039ba.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x39BA 25040 bytes
SHA-256: 152538049b8783e6a93574dff9f98fdee5855e77a417a68eec053b66f6615360
font_01_sfnt_off00007261.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7261 17904 bytes
SHA-256: 338e778c1ae38c15f57d68695408d0432531e6a93a33e2a2d7ec381387a6f025

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