Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e933ebd3d015beb…

MALICIOUS

PDF

45.3 KB Created: 2021-06-09 00:06:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0919cb7948860931ff66865da80fc869 SHA-1: 134a9599115e333579769d5b3261abd68c75f681 SHA-256: 3e933ebd3d015beb4db016fea0d9a4da2104f2876e8d1a6a7c0cb6680f05f66d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hacks or generators. The primary lure is a link to 'roblox-is-it-a-hack-or-exploit-game-hack', which is known to be associated with malicious redirectors. The document body and embedded URLs reinforce this lure, aiming to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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-is-it-a-hack-or-exploit-game-hack In PDF document text
    • http://lc.pustaka.unand.ac.id/repository/chisel-and-bits-mod-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/facebook-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/get-free-robux-gg_GM431946152.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/more-robux_GM431946152.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/coin-master-hack-generator_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/what-tiktok-free-followers_GM835599320.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/roblox-project-jojo-hacks_GM431946152.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/free-spin-and-coin-blogspot-com_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/wizard-hacks_GM479516143.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/free-minecraft-gift-card_GM479516143.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/coin-master-free-spins-and-free-coins_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/coin-master-free-coins-link-2021-deutsch_GM406889139.pdfIn PDF document text
    • http://lc.pustaka.unand.ac.id/repository/free-spins-and-coins-for-coin-master-game_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
font_00_sfnt_off0000548e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x548E 25032 bytes
SHA-256: 8b95ec7f1f938f1694ff0932d4628d34d66a9875a2709a36d9860707a025168b
font_01_sfnt_off00008d73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D73 18580 bytes
SHA-256: ade6fba14472ae28438ebce5820a6bf1051ad062df41c86cf1668edf87da1135

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