PDF malware analysis — malicious · e405446aeea2b21e

MALICIOUS

PDF

34.3 KB Created: 2021-06-25 23:40:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 09b0e3a0ea8eb5263bdd3096829882d3 SHA-1: 5aec0cbc21bef0369a1903652e4576d9a42d73d6 SHA-256: e405446aeea2b21e4cf334319489403bc53f116a41a69f49f8bceea0469f461a

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple links to external websites, with a primary focus on 'game hacks' and 'cheats' for popular games like Roblox and Coin Master. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates a malicious intent to redirect users to potentially harmful content. The document body and embedded URLs reinforce this lure, suggesting the file is designed to trick users into visiting these sites, likely to download malware or engage in other malicious activities.

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-script-for-games-hack-game-hack PDF link annotation
- http://kumotor.com.tw/upload/userfiles/files/free-followers-on-tiktok_GM835599320.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/how-to-get-build-tools-on-roblox-cheating_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/try-minecraft-free_GM479516143.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/tiktok-free-online-download_GM835599320.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-latest-version-hack_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/hackear-coin-master-sin-root_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/roblox-free-draw_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-apk-mod-free-download_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-date-and-time-hack_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/free-robux-pastebin-fast_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-heaven-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-tiradas-gratis-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.

Filename	Kind	Source	Size
`font_00_sfnt_off00003016.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3016	21756 bytes
SHA-256: `eaf0bf07dc83bc48684f78ffa91f785a5608ed2a2ac2990fe6f32ccd84b539e1`
`font_01_sfnt_off00005fe3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FE3	19480 bytes
SHA-256: `2ea43a7f6b125eff73fbe4219941b24e434f68c758d29352f55e8f75e969fae1`

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