Malicious PDF — malware analysis report

Static analysis result for SHA-256 a52475b5485760ce…

MALICIOUS

PDF

35.1 KB Created: 2021-06-18 23:58:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 04d3c808fce91d3c54966a0d46f893b1 SHA-1: 0366b7842398a000dedc394b41bc9d85457de7e5 SHA-256: a52475b5485760ce41cec7150fadd105687de67bb55ceba9892d9da44a06599e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

This PDF document employs a game hack lure to trick users into clicking a link. The primary link, http://netcdn.co/app/431946152/auto-hockey-roblox-piano-hack-game-hack, redirects to a page that likely hosts a malicious payload. The document's structure and embedded URLs strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/auto-hockey-roblox-piano-hack-game-hack PDF link annotation
    • http://katalog.ireyogya.org/repository/claim-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/god-mode-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-a-private-server-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-draw-2-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/pokemon-go-free-602_GM1094591345.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/i-didnt-get-my-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/hack-coin-master-no-survey_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-royale-high-cheats-for-diamonds-2021-hack_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-slx-free_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/rbx-hut-promo-codes_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-no-download_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-obey-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-coin-spin_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-game-free-robux-obby_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_off000030d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30D1 22868 bytes
SHA-256: 4c10d5ba01dae9799c80f7a5fb7322f9c2558315e2459637b8f849f5f5ca710b
font_01_sfnt_off00006357.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6357 19352 bytes
SHA-256: d56651571e6690b484e7268e66d64cc1b54d85af81441edfbbcb23e91ace8b01

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