Malicious PDF — malware analysis report

Static analysis result for SHA-256 8898bf0a9116a72a…

MALICIOUS

PDF

35.0 KB Created: 2021-06-30 12:39:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7736bdca114664bfe287515fb5ffc3ae SHA-1: ae7dc4ff5898a58dde23be5b5584ebc5a1bb99a8 SHA-256: 8898bf0a9116a72ab194406220228bd8475ceb90eb8189b5a6704de5e8a90098
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and generators. The primary lure is a link to 'how-to-hack-someone-on-roblox-ipad-game-hack' which is hosted on a known malicious redirector. No scripts were extracted, but the document's structure and embedded URLs strongly indicate a phishing or social engineering attempt to direct users to potentially harmful content.

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/how-to-hack-someone-on-roblox-ipad-game-hack In PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/aimbot-hack-dll-download-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/free-robux-codes-on-iphone_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/free-knife-codes-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/free-paint-2-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/roblox-tutorial-how-to-get-your-hacked-account-back_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/da-hood-hacks-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/how-to-get-java-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/como-hackear-cuentas-de-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/star-code-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/minecraft-survival-hacks_GM479516143.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/robux-free-tips-download_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/free-roblox-girl-faceds_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-with-cheat-engine-63_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/roblox-nike-free-auttaucollant_GM431946152.pdfIn PDF document text
    • https://elearning.min3banyumas.sch.id/__statics/gudangsoal/files/easypoints-gg-roblox_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_off0000313e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x313E 22292 bytes
SHA-256: 624ff57a5cd136fc5b6903224e56aecd7989ea1da99fa6bf82b11f49f73e55ae
font_01_sfnt_off0000628c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x628C 19432 bytes
SHA-256: 0b922bf86d0bff60e62f24a24905e1905c4b0e2dd8d418d897f2b44b666bf3ac

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