PDF malware analysis — malicious · 3cd0093d401c018e

MALICIOUS

PDF

35.2 KB Created: 2021-06-28 06:27:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c2f8f06a35ac3ffb393896ca983418ed SHA-1: c7ea23599b227964b1ef90e6e9b50e03085c1d02 SHA-256: 3cd0093d401c018e99cb26951ce26baac4c26b62079f8ae561b15031a85ad214

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains a large number of external links, many of which are structured as SEO-optimized slugs pointing to game-related hacks and cheat codes. The primary URL http://netcdn.co/app/431946152/cheat-codes-for-roblox-2021-game-hack likely serves as a landing page for a malicious download or further redirection. The presence of a "download button" heuristic further supports the malicious intent of luring users to download potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/cheat-codes-for-roblox-2021-game-hack
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-hack-onto-someone-elses-account-on-roblox_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-get-free-robux-not-a-scam_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/cheat-codes-for-coin-master_GM406889139.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/dragon-ball-z-final-stand-roblox-free-laevels-3_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/free-tiktok-like_GM835599320.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-hack-your-old-account-on-roblox_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/apps-to-get-free-robux_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-dance-for-free-on-roblox_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/tiktok-accounts-for-free_GM835599320.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-get-free-robux-for-games_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/hack-coin-master-apk-2021_GM406889139.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/robloxnewgen-com-free-robux_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-get-free-coins-roblox_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-hack-coin-master-apkmody_GM406889139.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/roblox-download-android-free_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/free-robux-just-click_GM431946152.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/coin-master-free-spins-link-no-verification-2021_GM406889139.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/coin-master-100-spin-hack_GM406889139.pdf
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/coin-master-heaven-free-spins-link-2021_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00003174.bin` `15bc54266351c90a2e4ff9c0e9329a7092c39eeec6ffc13cf9a64b9f961f4e6f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3174	22264 bytes
`font_01_sfnt_off00006329.bin` `1b83c7eca27743d36200881a3ec83956fa3163ddc746ca33bf9bfd9e799e939a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6329	19496 bytes

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