Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e834d677211f96…

MALICIOUS

PDF

53.3 KB Created: 2021-06-13 18:16:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 7d02204697e9601fc9119c2eb1d6fb71 SHA-1: 898020aef24c37e5130c3a379bd7673ec0fde2d0 SHA-256: d3e834d677211f96ef75db82838d2f6a09e823a7210d7c2568e97de7681acab0
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9017

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/get-bucks-me-free-robux-game-hack In PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-minecraft-packs_GM479516143.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-snow-shoveling-simulator-free-santa-bag-infinity_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-hack-apk-april-12-2021_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/minecraft-free-demo_GM479516143.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-bloxburg-free-pastebin_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/wwwcoin-master-free-spincom_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-birthday-card-free_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-free-spin-game_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/how-to-win-attack-madness-in-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/minecraft-free-download-android-apk-014-0_GM479516143.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-hack-apk-33-download_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/coin-master-hack-pc-download_GM406889139.pdfIn PDF document text
    • http://perpustakaan.akper-serulingmas.ac.id/repository/roblox-system_GM431946152.pdfIn PDF document text
    • http://wolfzscriptsIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000498e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x498E 35492 bytes
SHA-256: eeaea05f9ebbd846c4740696e42a4a95484e29f7fec0f3900cd4c3df2de75857
font_01_sfnt_off0000969b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x969B 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000a047.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA047 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_03_sfnt_off0000ad59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD59 18484 bytes
SHA-256: f0699543b56784e8e97067c03a326d88a65c3d01177daeb89a0640c6efc1fea5