Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0317c006d78530e…

MALICIOUS

PDF

47.6 KB Created: 2021-06-03 11:48:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 778132d6cb713d1b97c5c664f32da10c SHA-1: 3306f375413e86f71389c035d89fb7dbc8bfad0f SHA-256: d0317c006d78530e8f6d53e4384b16badc08ed9b63028b89ec486bb58c5876a0
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 game hack lure. The document body and embedded links point to URLs that promise free cheats and generators for popular games like Roblox and Minecraft. This suggests the primary purpose is to trick users into visiting malicious sites that likely host malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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.online/app/431946152/roblox-ame-cheats-game-hack PDF link annotation
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/coin-master-official-website_GM406889139.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/roblox-avatar-maker-free_GM431946152.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/how-to-make-a-free-server-in-minecraft-java_GM479516143.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/generator-robux_GM431946152.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/best-site-for-free-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/free-500-tiktok-views_GM835599320.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/i-want-robux-for-free_GM431946152.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/coin-master-hack-ios-no-verification_GM406889139.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/roblox-how-to-get-free-clothes_GM431946152.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://sman1negara.sch.id/new/public/ckfinder/userfiles/files/coin-master-mod-version-free-download-2021_GM406889139.pdfIn PDF document text
    • https://sman1negara.sch.id/new/public/ckfinder/userfiles/files/coin-master-hack-2021_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
stream_004_off00005221.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5221 29656 bytes
SHA-256: 1fc0ebd0796997830b77b0efc9087093299656c3ebfc4d8b59973f977ca068be
font_01_sfnt_off000096cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96CB 18544 bytes
SHA-256: 00139e8aa29c9b469052ac93a5d045bece0c974cbbc0d77d91c02db5fd2db96a