Malicious PDF — malware analysis report

Static analysis result for SHA-256 de0fdc1e8dc0bb0a…

MALICIOUS

PDF

46.0 KB Created: 2021-06-09 01:00:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9bb31b7ba4f46ee8c9bf0e8dcf30487b SHA-1: e9350179fc8d0ddc5183590f8648ae12986b226c SHA-256: de0fdc1e8dc0bb0a0d3f282ac59ceaf63b48671f46b3880305538a801276673b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector, specifically pointing to a URL associated with Roblox exploits. The document body, though partially corrupted, contains text related to game hacks and the malicious URL. This suggests the primary purpose is to trick users into visiting a site that likely hosts further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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.tw/app/431946152/roblox-free-level-7-exploit-2021-game-hack PDF link annotation
    • https://vieclamjapan.com/upload/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/cheat-phantom-forces-roblox-2021-level_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/moonactive-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/minecraft-pe-server-hosting-free_GM479516143.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/free-spins-coin-master-march-2021_GM406889139.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/apps-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/minecraft-free-online-games_GM479516143.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/113-hacked-client_GM479516143.pdfIn PDF document text
    • https://vieclamjapan.com/upload/files/get-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • https://www.roblox.comIn 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_off0000507e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x507E 27196 bytes
SHA-256: 04c2b3be2f00c65307dd36a03479d3cd519c3906c4e6192983059588a5e9b1ca
font_01_sfnt_off00008f3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F3D 18920 bytes
SHA-256: b577b50dac3431cc7d2f4739dc4c11728e915f56542c3dc95a217118bc26ea1f

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