Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d952a1facf0b427…

MALICIOUS

PDF

35.0 KB Created: 2021-07-16 06:24:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 56d718272461ee70eaff7beddf07d005 SHA-1: 5311eae1a180f7349ee17b96ab19815cc3be567f SHA-256: 0d952a1facf0b427c7c0f582bab3587c1c765d9e6fc4607f1638863ec4e28b2a
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 0.9962

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.tw/app/431946152/how-to-hack-lvel-up-in-naruto-beyong-roblox-game-hack PDF link annotation
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-verification_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-game-online-free-download_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-play-online-free_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roboxy-com-for-robux-free_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-plus-download-free_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-can-you-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/hack-de-roblox-robux-infinito_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/facebook-cuentas-gratis-de-roblox-hacks_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_off00002e06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E06 23336 bytes
SHA-256: 3a1f40a7fea0b3b6b1139b44948d5b4771a7fb29f38789e972903ac5855c5370
font_01_sfnt_off000062c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62C5 19536 bytes
SHA-256: 46d6cd295ae026be86ebc45872b7ac5f47f6a275dc801989d81e5d83e741f4f0

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