Malicious PDF — malware analysis report

Static analysis result for SHA-256 339bcc908f6e1708…

MALICIOUS

PDF

34.5 KB Created: 2021-07-03 14:29:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: dae48e664289641f1678a2b50af4f81c SHA-1: f9624cb84a3f5e548be89e3fcd1661cde05ddb7b SHA-256: 339bcc908f6e170810673c297b7f51c95ff3040d961f652fb96260a033774819
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one to a known malicious redirector infrastructure, that promise free game hacks or generators. The document body and embedded URLs suggest a lure for Roblox-related cheats. The presence of multiple redirector links and the ML classifier output strongly indicate malicious intent, likely to lead users to a phishing or malware download site.

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/431946152/play-roblox-free-online-game-hack In PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-roblox-rom_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/groups-that-give-you-free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/hacks-para-volar-en-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-the-legendary-swords-rpg-hack-script_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/xbox-hack-to-play-roblox_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-get-a-free-2021-robux_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/coin-master-70-spin-link-today_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-card-codes-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/free-minecraft-thumbnails_GM479516143.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/is-the-game-roblox-free_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/static-moonactive-net-rewards_GM406889139.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-pjs-free-shipping_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/how-to-get-the-antine-villa-roblox-free_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/robux-withdraw_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/games-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.levanajewelryclub.com/uploaded_files/userfiles/files/roblox-mad-city-hack-red-boy_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FFF 22296 bytes
SHA-256: 4466156722e9819802e820aa82f1afde98c735a878660677da22d4ee684cd20a
font_01_sfnt_off0000618c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x618C 19104 bytes
SHA-256: 5dec955baf3711e79836f4e6ad4fb1b584691504afeaf703317c1f8e1f5dda9f

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