Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e352df0bdb3d353…

MALICIOUS

PDF

44.8 KB Created: 2021-06-11 02:25:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 743c3b8b9e90d24ff2e845c21444763c SHA-1: fbf5d9c0f0a57ef6388a87bb3987b496ed4a36ed SHA-256: 8e352df0bdb3d353f079c3d7acf81aaecde5de4fb563405b26b741e9d0b9a446
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and generators, directing users to a malicious redirector URL. The document's content and embedded links strongly suggest a phishing or scam attempt designed to lead users to potentially malicious websites. No scripts were extracted, but the presence of multiple malicious redirector links indicates a high likelihood of further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/roblox-ninja-legends-hack-script-game-hack In PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/get-100-robux-free_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/minecraft-pe-free-download-android_GM479516143.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/roblox-com-www_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/coin-master-hack-spin-ios_GM406889139.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/pubg-uc-redeem-code_GM1330123889.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/minecraft_GM479516143.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/free-blue-hair-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/roblox-4all-cool-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/coin-master-spin-hack-no-verification_GM406889139.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/how-to-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • http://pustaka.minangkabau.unand.ac.id/repository/roblox-free-robux-generator_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_off00005102.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5102 24472 bytes
SHA-256: a1c91176d3dc68b68390b6a01952e5bbaaee8a1a0a34e126989bcfaf6a04e8f2
font_01_sfnt_off0000895b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x895B 19232 bytes
SHA-256: 8aeb50499e7ea24958a7a245575265a2d531a4f68adf6e90039c15deb4a9b6ba

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