PDF malware analysis — malicious · 847f2c8bbd444adb

MALICIOUS

PDF

35.5 KB Created: 2021-06-25 12:40:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 933d0b3efc8a9ca2c36741a8b94a044e SHA-1: dbde6e9bf888177e8ac9a7c0ab951a1afba8c15f SHA-256: 847f2c8bbd444adb7f5f8eeaeb4602bcfcf5a6376055549f6507fb0a85028848

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/furky-safe-free-roblox-exploits-game-hack PDF link annotation
- https://ourlady-elearning.com/userfiles/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/can-pokemon-go-free-evolve-after-trade_GM1094591345.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/injecthack-roblox-hack_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/hacks-minecraft_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/install-free-game-coin-master_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/roblox-assassin_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/minecraft-free-no-virus_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/cara-ngembalikin-akun-roblox-yg-sudah-di-hack_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-apk-2021-ios_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-roblox-passwords_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/roblox-hack-download_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/get-free-spins-from-coin-master_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_off00002ff2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FF2	23268 bytes
SHA-256: `edbbbeedb441da2bfc451eee55b5c94b2532a4ba445d37ce02641ce166786698`
`font_01_sfnt_off0000641e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x641E	19540 bytes
SHA-256: `c51882ba08b4db0e72d124d5cf71c05a0d2a36ce4d6efea07dcfd19aa7e72020`

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