Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e94afd82a68da7…

MALICIOUS

PDF

45.4 KB Created: 2021-05-14 18:57:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 7278cc0b5d9ba0486b34a1fec22a3929 SHA-1: 9b21bbd7699e8621ead2adec00c8780d4303ee81 SHA-256: d3e94afd82a68da7047a989db371b5a52bbb6f47c5a579742f5c8fa22516bda3
220 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 5

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/406889139/coin-master-free-spins-and-coins-generator-game-hack In PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-roblox-outfits_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-get-minecraft-windows-10-for-free-with-java_GM479516143.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/coin-master-game-free-play-online_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-coin-master-androd-cheats-2021_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-robux-download_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-minecraft-skins-pc_GM479516143.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/hack-the-game-coin-master_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-roblox-clothes-and-hair_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/coin-master-hack-android_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/moonactive-coin-master_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/are-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-coin-master-gold-cards_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/coin-master-computer-hack_GM406889139.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
stream_003_off00004b41.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B41 25692 bytes
SHA-256: 699f9e6058c7231507eef68be47a1cd5a6ade1564740378129b5a7b8df708874
font_01_sfnt_off000085c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85C1 2824 bytes
SHA-256: 381f6d859be141449dd645f7be1484d2a1cf49218dc471b402dae69eaa2b11d5
font_02_sfnt_off00008f64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F64 18060 bytes
SHA-256: 5c936a158300bd644bf61cf1c4473900143af4d81ccb33b35f9f120089ba0cae

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