Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dee752d50a56738…

MALICIOUS

PDF

34.5 KB Created: 2021-06-24 00:52:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 329d9fc4c6e0b9cc87d1d9259f042c9f SHA-1: 74675584efff117605cc2094888fe47c50950690 SHA-256: 1dee752d50a5673883acb810440935036c1451e55de1ac5d320e07cad50dc6fd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free game hacks and Robux, directing users to a known malicious redirector URL. The embedded URL and document body content strongly suggest a phishing or scam attempt to trick users into visiting malicious sites. No scripts were extracted, but the PDF structure and embedded URL are indicative of a social engineering attack.

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 http://netcdn.co/app/431946152/free-robux-meme-game-hack In PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-and-spin_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/roblox-controversy_GM431946152.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/free-robux-and-builder-club-claims_GM431946152.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/static-moonactive-net_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/roblox-script-executor-free-sk8r_GM431946152.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-hack-tool-pc_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/give-me-robux_GM431946152.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/robux-come_GM431946152.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/give-free-robux_GM431946152.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/best-hacked-client_GM479516143.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://www.longford.staffs.sch.uk/admin/ckfinder/userfiles/files/www-free-robux_GM431946152.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_off000030be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30BE 21992 bytes
SHA-256: 049acbe407b5e777d1cfda043543f1cb8f02f43a404284f68491f0197f6fc897
font_01_sfnt_off00006194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6194 19172 bytes
SHA-256: cc6f39551398ec7556c1100a0df569da4eadcef96f4621f512d193548eed02ae

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