Malicious PDF — malware analysis report

Static analysis result for SHA-256 fde9a0ede6cd1217…

MALICIOUS

PDF

34.4 KB Created: 2021-07-02 07:07:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5f6667c41475549a89f5f91bc1862ed4 SHA-1: aca91a953e873089c0a866a00364f99651b0082d SHA-256: fde9a0ede6cd1217121be3a64aac3e65dce01a165a9557c7dfdcc9723509ebd2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks and generators, as indicated by the document body and multiple heuristic firings. It contains numerous links to external resources, including a known malicious redirector at http://netcdn.co/app/431946152/roblox-cheat-noclip-game-hack. The presence of embedded URLs and the nature of the lures suggest an attempt to direct users to potentially malicious content or further download stages.

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/roblox-cheat-noclip-game-hack In PDF document text
    • http://smpn1sda.sch.id/slims/repository/robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-prison-life-hack-download-2021-mobile_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/robux-hack-for-chromebook_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/roblox-free-clothes-girl_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/hack-coin-master-dzooka_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/coin-master-free-spins-2-5-2021_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-800-robux-giveaway_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/qa-roblox-hacks-azhdh-f-b_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/cheat-roblox-pass-thought-the-wall_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-hoverboard-roblox-mad-city_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/how-to-log-out-of-coin-master_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/cm-daily-spins_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/admin-cheats-for-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/cheat-in-rake-roblox_GM431946152.pdfIn PDF document text
    • http://smpn1sda.sch.id/slims/repository/free-robux-generator-no-verification_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_off00003150.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3150 21864 bytes
SHA-256: 7d09dd623b9b595b8818b4620061e5cd60856ebe3b1872fce55a119d1cbd15f7
font_01_sfnt_off0000618f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x618F 19052 bytes
SHA-256: f92d17c7866ee5f387f868584db70a0c76b8b53a0bdd686ba6ebf2d1ad29788f

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