Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ccbb4479ac84784…

MALICIOUS

PDF

45.2 KB Created: 2021-04-25 18:38:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d4c285cbb525c7f336bd72fdcbe1f896 SHA-1: 279a40b6f89ef62084e3d68ee0259e64d776f6fe SHA-256: 2ccbb4479ac84784e1c05b89b1c9bba94372e21130a58afcf30226885647762a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links to known malicious redirectors, specifically advertising 'Roblox Boxing Simulator 2 Hack' and related game cheats. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves luring users with game-related promises to a malicious URL, likely to deliver a second-stage payload or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9858

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.xyz/app/431946152/roblox-boxing-simulator-2-hack-game-hack In PDF document text
    • https://lib-stie.yai.ac.id/repository/descargar-roblox-hackeado-con-robux.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/best-and-easiest-roblox-hack-for-robux.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-get-everything-in-roblox-catalog-for-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-on-meep-city.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-hack-2021-free-robux-generator-no-human-verification.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-hack-your-old-account-back-on-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-noclip-in-roblox-cheat-engine-67.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hack-struicid-stop-start-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-roblox-vip-servers.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-raindrop-roblox.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000042aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42AA 27084 bytes
SHA-256: 68100d131343fcf790b92e3a255beb83b6817cd7879c9f89ccb1f02b95140a5e
font_01_sfnt_off00007ef5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EF5 3936 bytes
SHA-256: 56f91d12f1fd26ee93de517f09e63ae86dd2fe155f74f5627c9f6637d22945ea
font_02_sfnt_off00008be0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BE0 19220 bytes
SHA-256: 3e9b58c9d9a2b80a98f47afbd9a84fb8c81e43f3a485ed3d15f48036eefdf313

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