Malicious PDF — malware analysis report

Static analysis result for SHA-256 518ef6ec3c8d76f8…

MALICIOUS

PDF

32.0 KB Created: 2021-07-20 15:29:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e0e76ae40be8626ac353cdbe4f93db98 SHA-1: 594ab7f1a120fda236e4dcb42bb5675cb99b9e97 SHA-256: 518ef6ec3c8d76f8e51fa266e28f9672c5d16baa8de79d69023558bad42ed115
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links to known malicious redirectors, masquerading as "free game hacks" or "generators" to entice users. The document body explicitly mentions "How To Install Minecraft For Free" and "CLICK HERE TO ACCESS MINECRAFT GENERATOR", reinforcing the lure. The primary redirector URL is http://netcdn.tw/app/479516143/how-to-install-minecraft-for-free-game-hack, which is designed to lead users to further malicious content or downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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 http://netcdn.tw/app/479516143/how-to-install-minecraft-for-free-game-hack In PDF document text
    • http://greenoase.be/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/how-to-get-free-tiktok-coins_GM835599320.pdfIn PDF document text
    • http://greenoase.be/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://greenoase.be/images/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://greenoase.be/images/minecraft-windows-10-hacked-client_GM479516143.pdfIn PDF document text
    • http://greenoase.be/images/free-tiktok-video_GM835599320.pdfIn PDF document text
    • http://greenoase.be/images/free-minecraft-account-and-password_GM479516143.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
font_00_sfnt_off00002aac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAC 22320 bytes
SHA-256: 9d4d0ebd3aea035b83b17f7d34105785587c1dcc34b46d2abaef996a16c103c4
font_01_sfnt_off00005c45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C45 17948 bytes
SHA-256: 5e3ba7e4cd3ca4e9461728952bafe8ac7745d23e1bc3d1385ef5be4278fd35be