PDF malware analysis — malicious · 1f9ad00b9b0b0ff0

MALICIOUS

PDF

34.4 KB Created: 2021-07-04 14:10:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: fb465bcc2a470fced86fe287c3451d09 SHA-1: 330ebd6cde97c9e3c6941b88c5198d2ef4220c70 SHA-256: 1f9ad00b9b0b0ff0d7ce5e08cedadc9ed62bab79742a0bbb31dee55a8a645d43

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of free game hacks and generators to entice users. It contains multiple links to external websites, including http://netcdn.tw/app/479516143/minecraft-pe-free-apk-game-hack, which likely serve as landing pages for malware or further phishing attempts. The ML classifier strongly indicated maliciousness, supporting the classification of this document as a malicious lure.

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/479516143/minecraft-pe-free-apk-game-hack PDF link annotation
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-toy-codes-for-roblox_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-gen_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-get-free-robux-and-tix-no-hack_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-do-you-get-robux_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-hack-your-physic-power-in-training-simulator-roblox_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/moonactive-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/minecraft-survival-free_GM479516143.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/roblox-how-to-get-free-robux-proof_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-real_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-village-cost_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-use-command-prompt-to-hack-roblox_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-reddit_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_off000031ec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31EC	22396 bytes
SHA-256: `8b2d011ead2e25f8772543f2fc0625123bcbef66af1f070bae84f309a5575bc3`
`font_01_sfnt_off000063d1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63D1	18356 bytes
SHA-256: `3de400347f681560e80a0db370a0d77c7f67bbb464d37fe0ec9a1adb3b0b5f9d`

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