PDF malware analysis — malicious · d5246086ebd8d58e

MALICIOUS

PDF

43.4 KB Created: 2021-06-11 09:20:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 179e511292535d612337694b8713855a SHA-1: 2374de21a5484dadd690614a8a07b746ff53196b SHA-256: d5246086ebd8d58eec88e25c6dd869e177be2c3ce42ce64d8dae150aa7b70748

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 0.9865

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.tw/app/431946152/earn-free-robux-doing-tasks-game-hack PDF link annotation
- https://lesegais.ru/images/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/how-to-get-free-robux-no-survey-no-offers_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-hacks_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/roblox-cheat-codes-for-elemental-war_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coins-master-hacks_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-tiktok-followers-no-human-verification_GM835599320.pdfIn PDF document text
- https://lesegais.ru/images/coun-master_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-robux-cards-2021-codes_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/2021-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/minecraft-windows-10-mod-menu_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/robux-free-gift-card_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/multiplayer-master-hack-coins_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/roblox-car-suspension-free_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-map_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_off00004d71.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4D71	24348 bytes
SHA-256: `63739763201f326edf7ccb2861d3e9c5f174ff1c778c4449f4d347ab54395b79`
`font_01_sfnt_off000084b0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84B0	18988 bytes
SHA-256: `f73ef7ea43ffbc228e2cfcabda5bd2f5151a0f8154c049c527773991ef982043`

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