Malicious PDF — malware analysis report

Static analysis result for SHA-256 93dde0e8d700ed1d…

MALICIOUS

PDF

35.4 KB Created: 2021-07-01 21:28:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: def6612c8c9e490e6301b721ec61270b SHA-1: bdc2f8d47ee50d20d38f9130dee2b43ebe5e4fb3 SHA-256: 93dde0e8d700ed1df082564a8a2022ebd8fc11ca8b43b238079fd97ae83346f9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links designed to lure users into clicking on a URL promising free game hacks or currency. These links redirect to malicious infrastructure, likely to download further malware or conduct phishing. The ML classifier strongly indicated maliciousness, and the heuristics confirm the redirection and lure tactics.

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/roblox-free-game-play-no-download-game-hack In PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/inject-hack-download-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/free-money-codes-for-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/codes-for-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/free-2021000-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/robux-free-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/free-tiktok-likes-without-verification_GM835599320.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/free-robux-come_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/roblox-jailbreak-free-bugatti_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/descargar-hacks-para-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/free-ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/shirts-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/free-tix-generator-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/roblox-com-free-robux-obby_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/get-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/free-roblox-bubble-gum-hacks_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/how-to-get-a-free-roblox-card-code_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1temanggung.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-hack-on-a-tablet_GM431946152.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_off000031a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31A8 22276 bytes
SHA-256: 3a727cc1bb8015ead721e0d1f181c8b2e1c6499bc23a04a0b32fb8cf14a4c374
font_01_sfnt_off00006351.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6351 19752 bytes
SHA-256: ecf0b1c0520fc754b555b15d8c8f3edb4bd133441d0ed285ac840141f3fd3142

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