Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7e4c95c28f1521f…

MALICIOUS

PDF

44.6 KB Created: 2021-05-14 06:11:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5dbb5be5323281be516a7fcc1c85f91c SHA-1: aa47c59796429b517b896900b76fff56b30b7bdc SHA-256: d7e4c95c28f1521f7244e60afc72b48bc4cc681dc630c53904dfdb899ba17393
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as 'game hacks' and 'free spins' lures. The document body and embedded links suggest a social engineering attempt to trick users into visiting potentially harmful websites. The presence of multiple redirector links indicates a high likelihood of malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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/406889139/coin-master-free-spins-game-hack In PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/coin-master-hack-2021-link_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/earn-robux-sites_GM431946152.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/gold-card-coin-master-free_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/roblox-re_GM431946152.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/coin-master-today_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/coin-master-free-spins-16-04-19_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/coin-master-home_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/robux-websites-that-work_GM431946152.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/unlimited-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/freespins-coin-master_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • https://jormix.co.id/ckfinder/userfiles/files/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49A8 25428 bytes
SHA-256: 3fd70da325e65b1ff7dbff0623d472390d2ec5f47dc10c120093ac515d0689f0
font_01_sfnt_off00008310.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8310 2868 bytes
SHA-256: d2d857e2ddc1082c7667b23f2135a5c0ba26a2ff8b42c86c89c8e0b09aece855
font_02_sfnt_off00008cfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CFA 17884 bytes
SHA-256: 7b855ef2bb944b5b370c61480927ccad63ff31bdbf820bc1f0da9d35a10f5fb2

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