Malicious PDF — malware analysis report

Static analysis result for SHA-256 39d7c30604008fe8…

MALICIOUS

PDF

34.8 KB Created: 2021-06-18 03:54:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 1968cc79d0835254e2da66cb35d6c932 SHA-1: 13f8a2fa8af0f257f0f6035a8876f205ed6b7d7b SHA-256: 39d7c30604008fe835bff2256e4a83d86be326e5ec56b612e1919293b78a94a8
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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-speed-change-cheat-engine-game-hack PDF link annotation
    • http://www.fkunismuh.org/perpustakaan/repository/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/how-do-you-hack-to-hack-on-roblox_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/robux-generator-that-works_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/harked-cheat-for-roblox_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/hacker-de-robux-para-roblox_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/coin-master-hack-mod-apk-free-download_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/toolbox-for-mcpe_GM479516143.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-unlimited-coin-master-online-tool_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-real-working_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-coins--spins-coin-master_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/how-to-get-free-robux-codes-2021_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_off0000309a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x309A 22356 bytes
SHA-256: 6172224b7afc315f3d2523741b6ae65992a206f66a8927bee55878c103f2e717
font_01_sfnt_off00006244.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6244 19228 bytes
SHA-256: 252a8b2f59870fe5260400003c103953842f4d917368fd807f38c9b9a8708902

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