Malicious PDF — malware analysis report

Static analysis result for SHA-256 d405e8054318bdc7…

MALICIOUS

PDF

49.7 KB Created: 2021-06-03 10:00:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 3fe29688a865a1a9e846b82dc5941c98 SHA-1: c7b3547feb48ea87f4fa33b8d0202d1bf2bae7d6 SHA-256: d405e8054318bdc754909b74ef7c561b573ddc4db33b4170e82501e22ac0e0bd
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic indicating it links to a 'game hack' lure, specifically targeting Coin Master players. The embedded URL, https://netcdn.online/app/406889139/coin-master-2021-game-hack, is the primary indicator of malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or social engineering attack aimed at redirecting users to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/406889139/coin-master-2021-game-hack PDF link annotation
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/free-roblox-girl-clothes_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/how-to-hack-coin-master-android_GM406889139.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/free-robux-co_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/mcpe-free-download_GM479516143.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/how-to-sue-roblox_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/free-roblox-accounts-generator_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/rewards-roblox_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/coin-master-spin-link_GM406889139.pdfIn PDF document text
    • http://kpu-badungkab.go.id/new/public/ckfinder/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005283.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5283 26036 bytes
SHA-256: 4469d96ec72e145d01ffcc75da3dbcb44bf0c3c7c0998432631471731abaf611
font_01_sfnt_off00008bf5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BF5 8676 bytes
SHA-256: e06aca5f85e50ae6cefda302c5299c18ab6d27c174f74f0bb0ee8efa7ccb4468
font_02_sfnt_off0000a080.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA080 17948 bytes
SHA-256: 6698963cbb1d852d96c53ab93a77ac893ef1ba4f062b6059a57d43c99368daf9

Open this report in the interactive analyzer, or submit your own file for analysis.