PDF malware analysis — malicious · aa937a21a025727e

MALICIOUS

PDF

34.9 KB Created: 2021-06-29 21:53:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: c04f1c776c85a83bf840f989b00aa180 SHA-1: 571bc7f8be590189af8956ff34369072167d265a SHA-256: aa937a21a025727e65bd3591c12ee21e4f394be050a4e8a78d9bcb8336f1d8c6

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of 'game hacks' to trick users into clicking a link. The primary link, http://netcdn.co/app/431946152/prison-breaker-roblox-hacks-game-hack, is highly suspicious and likely serves as a redirector to a malicious payload. The document's structure and embedded URLs suggest it is part of a phishing campaign aiming to deliver malware.

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/prison-breaker-roblox-hacks-game-hack PDF link annotation
- https://loba.com.vn/public/upload/files/robloxcom-free-kkk-k-k-k-k-m_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-links-for-free-spins_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/give-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-hack-clothes-in-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/wurst-client-18-9_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/google-console-roblox-hacks_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-code-cards-website_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/ruso-icu-roblox-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-hack-roblox-on-mac-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-into-roblox-acount_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-free-play-now_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-kohls-admin-house-hack_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/www-we-hack-com-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-do-you-get-free-clothes-on-roblox_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_off00003223.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3223	22500 bytes
SHA-256: `09005790f551a1031a3aca395672e89c9087ea9b6ea15c7f6cfa88f255ffc1ae`
`font_01_sfnt_off000063e5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63E5	18932 bytes
SHA-256: `cf32b2401ca6f8fd7fb0909026f9e66677e833ed46142456e98a61458488769d`

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