Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b60dd0019f67ae2…

MALICIOUS

PDF

35.2 KB Created: 2021-06-18 07:04:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: f1d2562a52e69213036e77ac9e9c365a SHA-1: 15f7178a39d7cbd596dd313302c5857619b9159d SHA-256: 2b60dd0019f67ae25d656248d0c5fdd3a1fef615458ccdd52d178287a2c58510
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, with a primary URL pointing to a 'game hack' lure. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs suggests a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and linked content indicate a social engineering tactic to trick users into visiting potentially harmful sites.

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/roblox-administrator-badge-hack-game-hack PDF link annotation
    • http://repository.unla.ac.id/repository/rainbow-path-roblox-hack_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/free-roblox-card_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/202100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/https-oprewards-com-roblox_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/free-minecraft-bedrock-server-hosting-24-7_GM479516143.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/20210-robux-free_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-cheat-codes-2021_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/get-robux-now_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/minecraft-java-free_GM479516143.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/how-to-make-a-minecraft-server-for-free-java_GM479516143.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/coin-master-free-spins-without-verification_GM406889139.pdfIn PDF document text
    • http://repository.unla.ac.id/repository/coin-master-free-spin-trick_GM406889139.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_off00003181.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3181 22448 bytes
SHA-256: b070127e21f7cc94255f2aaaad63c488f05806eef532eb308dc82b2867007305
font_01_sfnt_off000063aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63AA 19316 bytes
SHA-256: 3ecb6c66565d4e46be63a4779c897194587aa51f17a77f12c09919d09eaafb5e

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