PDF malware analysis — malicious · 8098aca6df21df12

MALICIOUS

PDF

42.5 KB Created: 2021-05-20 06:34:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: e4897523d7d96ef7b5dcd9f7b7fcdc45 SHA-1: bea47c7ae85bceda77af05b48e208e0028ed9a28 SHA-256: 8098aca6df21df1231c8077a614a93707256d27523233d47c77e84c0ca03cc3b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which appear to be SEO spam related to games like Roblox and Coin Master. The ML classifier strongly flagged this PDF as malicious, and the presence of a 'download button' lure further supports a malicious intent. The document likely serves as a gateway to other malicious sites or downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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-to-get-free-roblox-game-hack
- http://paro.net.ua/images/coin-master-daily-free-spins-link-today-2021_GM406889139.pdf
- http://paro.net.ua/images/free-2021-robux_GM431946152.pdf
- http://paro.net.ua/images/free-roblox-glasses_GM431946152.pdf
- http://paro.net.ua/images/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdf
- http://paro.net.ua/images/coin-master-hack-tool-without-human-verification_GM406889139.pdf
- http://paro.net.ua/images/coin-master-hack-tool-access-online-generator_GM406889139.pdf
- http://paro.net.ua/images/roblox-mobile-hack_GM431946152.pdf
- http://paro.net.ua/images/static-moonactive-net-free-spins-coin-master_GM406889139.pdf
- http://paro.net.ua/images/coin-master-free-gold-cards-link_GM406889139.pdf
- http://paro.net.ua/images/how-to-get-free-robux-on-pc_GM431946152.pdf
- http://paro.net.ua/images/coin-master-claim-spins_GM406889139.pdf
- http://paro.net.ua/images/free-spins-for-coin-master-2021_GM406889139.pdf
- http://paro.net.ua/images/free-pet-snacks-coin-master_GM406889139.pdf
- http://paro.net.ua/images/coin-master-free-coins-and-spins-app_GM406889139.pdf
- http://paro.net.ua/images/free-minecraft-alts_GM479516143.pdf
- http://paro.net.ua/images/free-spins-for-coin-master-game_GM406889139.pdf
- http://paro.net.ua/images/free-spins-on-coin-master-without-human-verification_GM406889139.pdf
- http://paro.net.ua/images/60-free-spins-on-coin-master_GM406889139.pdf
- http://paro.net.ua/images/free-robux-easy_GM431946152.pdf
- http://paro.net.ua/images/free-robux-generator-2021_GM431946152.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_off00004539.bin` `fc44ea2be77818bf759e00c70a8c02ade15b79773f48ef6d2ab160bbcedd678e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4539	27724 bytes
`font_01_sfnt_off000083d7.bin` `4bd910cbe6e13e3cc1fd56827474962a0b5b839547430a6bf478c6dff96655e9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83D7	18216 bytes

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