PDF malware analysis — malicious · 724562931eee4818

MALICIOUS

PDF

36.0 KB Created: 2021-07-06 15:37:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: c25524ef243e46b510e0643416f81559 SHA-1: 8085d18be017dc4411e986b01ba62f81200cc469 SHA-256: 724562931eee481824dad16a9e4f00238211641a3bc42ca5d8a0ed352e31763f

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs, with a primary focus on luring users to a 'game hack' site. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates a social engineering tactic to trick users into visiting potentially malicious external resources. While no scripts were explicitly extracted, the presence of numerous game-related hack URLs suggests the document's purpose is to facilitate the download of malware or lead users to phishing pages.

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.tw/app/406889139/coin-master-hack-2021-game-hack PDF link annotation
- https://www.iseas.com/uploaded_files/userfiles/files/roblox-hack-robux-and-tix-download-free_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/tiktok-free-view-kong_GM835599320.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/free-robux-hck_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/hack-robux-gratis-como-tener-robux-gratis-2021_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/get-free-tiktok-followers-app_GM835599320.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/how-do-you-get-robux_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/free-money-links-coin-master_GM406889139.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/how-to-unban-from-polyguns-roblox-free-script-pastebin_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/free-roblox-accounts-generator_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/free-coin-spin-coin-master_GM406889139.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/facebook-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/coin-master-hack-apk-app_GM406889139.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/hacks-robux-apk_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/hhack-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/free-robux-offer-site_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/get-robux-today_GM431946152.pdfIn PDF document text
- https://www.iseas.com/uploaded_files/userfiles/files/daily-coin-master-free-spins_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.

Filename	Kind	Source	Size
`font_00_sfnt_off00003516.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3516	23404 bytes
SHA-256: `968f54b95f8390bfa0b39c191f8a7846dcb5a388cdfb3d5f897d8ae63b3da295`
`font_01_sfnt_off00006992.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6992	18408 bytes
SHA-256: `8438728008f6ab05b5c9a65d4eeb1f2e5c23a436eadc11c6e76328f72b7d7fb7`

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