Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e5e68395ec82b5…

MALICIOUS

PDF

35.7 KB Created: 2021-06-27 17:20:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 862689d8d4dcab2b1000ab3defbee1c5 SHA-1: 6c36cd6720d75b645f0a313c4dcec0f6e90f2dd5 SHA-256: d3e5e68395ec82b584858e0d76e3d4cc6afc953442489f40d7efb71f0eceb8b3
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.co/app/431946152/free-robux-no-human-verification-2021-android-game-hack In PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/robux-link_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/pokemon-go-free-hack-download_GM1094591345.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/coin-master-fan-page-facebook_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/coin-master-facebook-page_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/coinmaster-free-spins-link_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/bloxgiving-roblox-high-school-cheat-sheet_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/coin-master-hack-ios-download_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/roblox-install-free_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/free-jurassic-world-headphones-roblox_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/best-free-minecraft-server-hosting-reddit_GM479516143.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/how-does-jailbreak-roblox-anti-hack-work_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/free-spins-on-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/free-robux-claim-generators_GM431946152.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/united-gaming-net-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://alsworld.com/uploaded_files/userfiles/files/how-to-get-free-roblox-accounts_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_off00003315.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3315 21976 bytes
SHA-256: d41baf75b484644142b9eef9b8f8eddc3b7c246cda4399731d2f40b6f85a78cc
font_01_sfnt_off000063c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63C9 19912 bytes
SHA-256: f3c91d69d300bdbbb0257f72669479450a91f221330e18a0ee40700a2bc7cf23

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