PDF malware analysis — malicious · a82161f77fe79346

MALICIOUS

PDF

35.5 KB Created: 2021-06-20 20:25:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 6010fe25ce19d14db8d3e129a320bb1b SHA-1: d64c83afbff0fca34eb220643908a8bd1ae24ba2 SHA-256: a82161f77fe79346bf7fb236eaf7ebc953d454bfdca93e45341b5e89a3778232

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of offering free game hacks and currency to trick users into clicking malicious links. The primary link, http://netcdn.co/app/431946152/https-www-roblox-com-free-play-game-hack, is identified as a redirector to potentially harmful content. The document's structure and embedded URLs strongly suggest a phishing or scam attempt designed to lead users to malicious websites.

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/https-www-roblox-com-free-play-game-hack PDF link annotation
- https://foc.vn/public/upload/files/free-minecraft-worlds_GM479516143.pdfIn PDF document text
- https://foc.vn/public/upload/files/hack-coin-master-2021-pc_GM406889139.pdfIn PDF document text
- https://foc.vn/public/upload/files/game-hunters-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://foc.vn/public/upload/files/roblox-money-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
- https://foc.vn/public/upload/files/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://foc.vn/public/upload/files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/roblox-jailbreak-hack-script-pastebin_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/real-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://foc.vn/public/upload/files/free-unused-robux-cards_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/minecraft-dungeons-download-free_GM479516143.pdfIn PDF document text
- https://foc.vn/public/upload/files/free-roblox-followers_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- https://foc.vn/public/upload/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
- https://foc.vn/public/upload/files/free-man-face-roblox_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/roblox-hack-mod-menu-android-2021_GM431946152.pdfIn PDF document text
- https://foc.vn/public/upload/files/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
- https://foc.vn/public/upload/files/el-mejor-hack-para-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_off0000302f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x302F	22716 bytes
SHA-256: `4c5ec5c92edc0df5c7eb5078e21a1d8a9a15ecb6d04425111e01515bdf901d5a`
`font_01_sfnt_off0000632d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x632D	19884 bytes
SHA-256: `45cdd8b245f88b996cccd9e838a2f8693e5c6d20a32abfb10cebb6926e9f366e`

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