MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a fake CAPTCHA lure to trick users into clicking malicious links, as indicated by the 'SE_FAKE_CAPTCHA' heuristic. It also features a large number of external links, suggesting a link farm or redirection scheme. The primary URL identified is https://netcdn.tw/app/431946152/how-to-hack-robux-on-roblox-2021-mac-game-hack, which is likely part of the malicious workflow.
Machine Learning
- Nyx PDF Classifier malicious score 0.9865
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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.tw/app/431946152/how-to-hack-robux-on-roblox-2021-mac-game-hack
- https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-hack-mod-menu_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-builder-club_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/hacker-roblox-wiki-creepypasta_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-link-today-instagram_GM406889139.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-tiktok-followers-generator_GM835599320.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-sell-t-shirt-for-free_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/can-i-get-free-robux-please_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-not-fo-sale-roblox-templates_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-stats-hack_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/how-do-you-get-a-lot-of-robux-for-free_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-speed-hack-roblox-2021_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/escape-room-by-devultra-cheats-roblox_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-coin-master-spins-2021_GM406889139.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/download-minecraft-free-hiapphere_GM479516143.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-on-ipad-no-verification_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-giveaway-live-right-now_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/bux-life-free-robux_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/how-to-hack-a-roblox-account-to-show-people_GM431946152.pdf
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-without-human-verification-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 |
|---|---|---|---|
stream_004_off00004ef0.bin28ca3b7cbf5a022ecd151915dd7381c515b5fda61f5d37e5d6f1d5bf9c4d481a |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4EF0 | 24644 bytes |
font_01_sfnt_off000087ab.binc678a411e9948b03472617c50297f56ba264d6c9a139ddd5995a2233c2f2c50e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87AB | 19084 bytes |
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