PDF malware analysis — malicious · 5d6182d4902d8016

MALICIOUS

PDF

43.3 KB Created: 2021-05-16 19:37:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 16e9c05bccbffc2db82474a31a6ace0b SHA-1: f5716e6c042d85f67b023cccd305ee4493d4d087 SHA-256: 5d6182d4902d8016421cec747c9ba3a00b2b62fb73f68a2453e7eb51e622b756

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 structured as SEO-optimized PDF links, suggesting a link farm. The document body and extracted URLs indicate a lure related to obtaining free in-game currency ('Robux', 'spins') for games like Roblox and Coin Master. This pattern is commonly used to direct users to phishing sites or download malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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 https://netcdn.xyz/app/431946152/how-do-you-get-free-robux-2021-game-hack
- http://abris-jardin.be/images/coin-master-online-hack-no-survey-no-password_GM406889139.pdf
- http://abris-jardin.be/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdf
- http://abris-jardin.be/images/coin-master-free-spin-27_GM406889139.pdf
- http://abris-jardin.be/images/websites-to-get-free-robux_GM431946152.pdf
- http://abris-jardin.be/images/can-i-hack-coin-master-with-lucky-patcher_GM406889139.pdf
- http://abris-jardin.be/images/roblox-studio-free-robux_GM431946152.pdf
- http://abris-jardin.be/images/how-to-get-free-robux-hack-2021_GM431946152.pdf
- http://abris-jardin.be/images/free-coin-master-links_GM406889139.pdf
- http://abris-jardin.be/images/how-to-earn-robux-for-free-2021_GM431946152.pdf
- http://abris-jardin.be/images/coin-master-hack-version-2021-download_GM406889139.pdf
- http://abris-jardin.be/images/free-roblox-com_GM431946152.pdf
- http://abris-jardin.be/images/how-to-get-2021-robux-for-free_GM431946152.pdf
- http://abris-jardin.be/images/javascript-free-robux_GM431946152.pdf
- http://abris-jardin.be/images/minecraft-tower-defense-2-hacked_GM479516143.pdf
- http://abris-jardin.be/images/hack-coin-master-spin_GM406889139.pdf
- http://abris-jardin.be/images/haktuts-2021-coin-master-free-spin-link_GM406889139.pdf
- http://abris-jardin.be/images/coin-master-game-hack-app-download_GM406889139.pdf
- http://abris-jardin.be/images/no-human-verification-hack-for-coin-master_GM406889139.pdf
- http://abris-jardin.be/images/legit-free-spins-coin-master_GM406889139.pdf
- http://abris-jardin.be/images/how-to-get-free-spins-in-coin-master-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_off0000496b.bin` `0d8c93d1c66ff9cd18b1537ff62c5e66c83a4758767b0ed56b11d67a7a6d6fbf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x496B	25528 bytes
`font_01_sfnt_off000084ba.bin` `7afc4835c6f8d200a546e15f78f642ba5dd88c8fac7df04bc3003dd1e9f7232a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84BA	19016 bytes

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