Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d2d0e00fa3d742…

MALICIOUS

PDF

34.6 KB Created: 2021-07-04 11:13:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-27
MD5: c1d5b09a7f74f5f5336790b68cf22916 SHA-1: 480e8e02f550d2311eb29fa555c203e0258b2c38 SHA-256: c5d2d0e00fa3d7422fc5d630d48a595af82402c37b39309090dfd94b9839afc9
160 Risk Score

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.tw/app/479516143/free-texture-packs-for-minecraft-pe-game-hack In PDF document text
    • http://olimpik.mk/imagescke/upload/files/coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-robux-generator-no-verify_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-roblox-pins_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/save-the-galaxy-hack-roblox_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/minecraft-cracked-client_GM479516143.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-modded-roblox-games_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-spins-coin-master-links-twitter_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-robux-legit_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/50-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-coins-coin-master-today_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-minecraft-worlds_GM479516143.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/coin-master-game_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/roblox-free-gamepass-script-2021_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/google-how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-roblox-acc_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/how-to-get-free-admin-in-any-roblox-game-2021_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/coin-master-free-spins-link-download-hack_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_off00003280.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3280 22124 bytes
SHA-256: b954047c1496e4299d74ffab4b9de6c373838d611688b5b219e468391b6355d2
font_01_sfnt_off000063ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63AE 18672 bytes
SHA-256: a1472ccc9438feb4b04b5df4c97d4bbbb8359e6dab7b706f8c8bcd4a13191ded

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