MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a fake CAPTCHA lure, designed to trick users into interacting with malicious links. It also exhibits characteristics of a link farm, with numerous embedded URLs pointing to potentially malicious content. The ML classifier strongly indicates maliciousness, and the presence of external URIs suggests a download or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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.xyz/app/431946152/roblox-free-items-game-hack
- https://www.linzgau-kjh.de/images/how-to-play-minecraft-with-friends-for-free_GM479516143.pdf
- https://www.linzgau-kjh.de/images/coin-master-on-facebook_GM406889139.pdf
- https://www.linzgau-kjh.de/images/coin-master-free-spins-and-coins-generator_GM406889139.pdf
- https://www.linzgau-kjh.de/images/get-free-cards-coin-master_GM406889139.pdf
- https://www.linzgau-kjh.de/images/coin-master-hacks-that-work_GM406889139.pdf
- https://www.linzgau-kjh.de/images/official-coin-master-free-spins_GM406889139.pdf
- https://www.linzgau-kjh.de/images/coin-master-free-spin-daily-link_GM406889139.pdf
- https://www.linzgau-kjh.de/images/coin-master-hack-mod-apk-2021_GM406889139.pdf
- https://www.linzgau-kjh.de/images/roblox-hacked-com-2021_GM431946152.pdf
- https://www.linzgau-kjh.de/images/best-way-to-get-free-robux_GM431946152.pdf
- https://www.linzgau-kjh.de/images/master-coin-hack_GM406889139.pdf
- https://www.linzgau-kjh.de/images/free-robux-hacker-us_GM431946152.pdf
- https://www.linzgau-kjh.de/images/robux-generator-no-verification-needed_GM431946152.pdf
- https://www.linzgau-kjh.de/images/minecraft-java-account-free_GM479516143.pdf
- https://www.linzgau-kjh.de/images/coin-master-hack-no-verification_GM406889139.pdf
- https://www.linzgau-kjh.de/images/roblox-girl-avatar_GM431946152.pdf
- https://www.linzgau-kjh.de/images/is-minecraft-free_GM479516143.pdf
- https://www.linzgau-kjh.de/images/how-to-get-free-minecraft-alts_GM479516143.pdf
- https://www.linzgau-kjh.de/images/free-coins-coin-master-2021_GM406889139.pdf
- https://www.linzgau-kjh.de/images/free-spin-coin-master-app-download_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00004a74.bin9f03782ff4d130bde2a34a726ab4fdf2d09d67f13d1ef27699393334787a297d |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4A74 | 25880 bytes |
font_01_sfnt_off00008591.bin0f8472b221d38b56aa502dc338bcb8175d724340a5db3d89f71a6c106e3918a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8591 | 18312 bytes |
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