Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae4e369c35dd66e7…

MALICIOUS

PDF

44.1 KB Created: 2021-05-13 14:25:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 811e95283c632f2e3ea47621e1377336 SHA-1: 516b6c64b5b50ec62686560492244c9ad23931c4 SHA-256: ae4e369c35dd66e79c23955dbec3c11dc036ca6354485fb5929745903b4dda33
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting a 'game hack' or 'promo codes generator'. The heuristic PDF_GAME_HACK_REDIRECT_LURE strongly indicates a social engineering tactic to trick users into visiting a potentially harmful site. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to lead the user to a malicious download or exploit page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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/431946152/roblox-promo-codes-generator-no-human-verification-game-hack In PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/roblox-free-draw_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-blog_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-games-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-cheats-without-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-robux-offers_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-unlimited-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/ro-ghoul-script_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/free-robux-link_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/how-to-hack-coin-master-apkmody_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-free-spin-trick_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/minecraft-ps4-free_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsnegeri1ende.sch.id/__statics/gudangsoal/files/coin-master-official-page_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_off00004ebc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EBC 24720 bytes
SHA-256: 4e8f8d407b64898f12dbf15b0c39ce4f5cd5c2c2f1766e9a69d1e9568b101aa9
font_01_sfnt_off000087d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87D4 19100 bytes
SHA-256: da1745847f0d76ea82434fee3d569844ba056c0d901119001214af0940d395e7

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