PDF malware analysis — malicious · 43463a163659bcd6

MALICIOUS

PDF

34.9 KB Created: 2021-06-20 17:46:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 930929ee8265cd9f0931a5de1a82badc SHA-1: 2d0673b605bbb11c41439844f7be8f84f074f0d5 SHA-256: 43463a163659bcd68f5f0c45ac38ae593be931a6dd650df59c689b1c5b1fd273

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on compromised domains and offer game hacks or cheats. The ML classifier strongly indicated maliciousness, and the presence of a "download button" heuristic further supports a lure-based attack. The document's content and structure suggest it is intended to trick users into downloading potentially unwanted or malicious software.

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/479516143/play-minecraft-for-free-game-hack
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/coin-master-hack-apk-no-fb-login_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/how-do-you-hack-roblox_GM431946152.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/free-robux-generator-without-verification_GM431946152.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/game-hunters-coin-master_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/roblox-t-shirt-free_GM431946152.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/free-spin-generator-for-coin-master_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/roblox-fun-com-free-robux_GM431946152.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/links-for-free-spins-for-coin-master_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/free-robux-codes-2021_GM431946152.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/monttechscom-coin-master-free-spins_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/master-coin-master-free-spin_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/pubg-uc-zong_GM1330123889.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-today-new_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/minecraft-pocket-edition-free-download_GM479516143.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/how-to-get-free-cards-on-coin-master_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/free-tiktok-jelly-fruit_GM835599320.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/how-do-you-earn-free-coins-for-coin-master_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/coin-master-daily-free-coins-link_GM406889139.pdf
- https://www.boneyhayschool.co.uk/admin/ckfinder/userfiles/files/free-spins-and-coins-coin-master-2021-link_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_off0000341f.bin` `863572ab22e7c81002da36f0dc3233ab9181f09dccc5eede4b6098dce7bbc8e2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x341F	22356 bytes
`font_01_sfnt_off000065aa.bin` `e98085965e533c73dc4e7df94380e68fafa549d02609d91f4df3d7f9fdc36519`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65AA	18408 bytes

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