PDF malware analysis — malicious · 298da8544b5d90be

MALICIOUS

PDF

34.4 KB Created: 2021-06-20 02:39:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 8e40dfb4543a3463593f4a83f59e2c4c SHA-1: b955154a0fd1c78861faba3fa27417151412db98 SHA-256: 298da8544b5d90be9fcad2bcd3604591c69038ae4730b95ae4f7c636c55a0cd3

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 0.9980

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-lua-executor-free-game-hack PDF link annotation
- https://lesegais.ru/images/how-to-get-free-unlimited-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/tiktok-free-view-10_GM835599320.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-35-2-hack_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/toolbox-mod_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/free-robux-no-verify-or-download_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/robux-withdraw_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/how-can-you-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/minecraft-java-free-download_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/slurp-hack-roblox-download-17_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/how-to-build-hacks-in-roblox_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/hack-a-roblox-player_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/roblox-outrageous-builders-club-for-free_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/roblox-jailbreak-money-hack-deutsch_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.

Filename	Kind	Source	Size
`font_00_sfnt_off00002f29.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F29	22600 bytes
SHA-256: `fdff716d27f3bd1d9806a837d548ab333cb1149a1703e2e1479d095f1c19f430`
`font_01_sfnt_off000061af.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61AF	18896 bytes
SHA-256: `c74ff9a19fa85bf6a80d280a05117425b65c5b524a8b7cf1dd4424f704b6c64b`

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