Malicious PDF — malware analysis report

Static analysis result for SHA-256 cde1b201b59f30e3…

MALICIOUS

PDF

34.1 KB Created: 2021-06-26 04:40:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 522f442115da53fe3f3b9d2e6abd2803 SHA-1: 52a01e9009409c18c917b72a11755607d54c1799 SHA-256: cde1b201b59f30e3781349c80851ead9d4433e5fc714d14a2e5a5a7dc11cb9ee
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and currency to entice users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. The document body and embedded URLs reinforce this lure, aiming to trick users into compromising their systems.

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/free-roblox-phantom-forces-money-script-game-hack In PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/roblox-hack-para-jailbreak_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/roblox-hack-client_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/hack-clinet-for-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/free-games-at-roblox-com-htm_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/unlimited-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/roblox-name-changer-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/codigos-paa-hackear-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/how-to-change-your-username-on-roblox-free_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/im-being-called-a-hacker-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/free-roblox-accounts-dashing-simulator_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/how-to-hack-your-friends-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/code-de-cheat-roblox-simulator-de-chiens_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/is-there-a-hack-for-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/roblox-free-accounts-may-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/hack-mod-menu-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/how-to-get-free-robux-without-taking-a-survey_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/free-robux-master_GM431946152.pdfIn PDF document text
    • http://pustaka.pasca.unand.ac.id/repository/free-robux-gen_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_off00002e16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E16 21704 bytes
SHA-256: b192e09d24d17c5f4884f8b6b535f04b8902cfe5af489ee62ba47a312fb7b903
font_01_sfnt_off00005dbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DBE 20008 bytes
SHA-256: 3a89f5b67a0a53dcd5b12ce9ee8a573a683447505b689e9e3dfb9d113cd9b7eb

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