Malicious PDF — malware analysis report

Static analysis result for SHA-256 00b8cf9a0519e2a1…

MALICIOUS

PDF

36.3 KB Created: 2021-06-28 02:40:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7758e43d032075f72f863f3097869cb1 SHA-1: 7780cffcc60c9864db8a2821bae103a227bbab1e SHA-256: 00b8cf9a0519e2a18da4e01b46edfe6e282bf541c876f876efe3a161928e5328
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs that point to a known malicious redirector, masquerading as a 'free generator' or 'game hack'. The document body and heuristics indicate a lure for game-related cheats, likely to deliver a second-stage payload or phish for credentials. The ML classifier strongly supports the malicious nature of this PDF.

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/robux-hack-no-survey-2021-game-hack In PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/how-to-look-like-a-pro-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/https-www-roblox-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/young-wild-and-free-roblox-id_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/roblox-scp-containment-breach-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/free-roblox-accounts-with-robux-no-pin_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/roblox-saber-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/free-dump-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/how-to-get-free-robux-without-builders-club_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/roblox-skins-boy-free-download_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/www-robux-cheat-us_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/free-gamepass-script-pastebin-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/roblox-bloxburg-vehicle-speed-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/free-robux-codes-no-generator_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/hacker-cloths-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/roblox-apocalypse-rising-2-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/roblox-login-hack-password_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/nonsence-dimond-roblox-pet-simulator-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.industri.ft.unand.ac.id/repository/free-robux-and-builders-club_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn 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_off00003380.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3380 23088 bytes
SHA-256: c48db4ac63a20b389ec85bf00aa473af86942dd12f5e92a543695a8c96fad29f
font_01_sfnt_off0000677b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x677B 19416 bytes
SHA-256: 48475d4f08049632c780709562fff0969fe423251cd47b39c88730580abe429b

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