MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF 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 for free virtual currency or game hacks, likely directing users to malicious sites. The ML classifier also flagged this PDF as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9864
Heuristics 4
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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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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.online/app/431946152/free-robux-without-human-verification-game-hack
- https://www.efeskbb.com/upload/content/files/free-spins-for-coin-master-game_GM406889139.pdf
- https://www.efeskbb.com/upload/content/files/robux-hack-free-robux_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/games-that-give-you-free-robux_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/minecraft-free-trial_GM479516143.pdf
- https://www.efeskbb.com/upload/content/files/free-robux-without-human-verification_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/best-way-to-get-free-robux_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/coin-master-hack-no-verification_GM406889139.pdf
- https://www.efeskbb.com/upload/content/files/free-robux-today_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/coin-master-free-spin-facebook-link_GM406889139.pdf
- https://www.efeskbb.com/upload/content/files/minecraft-free-apk-java-edition_GM479516143.pdf
- https://www.efeskbb.com/upload/content/files/free-robux-no-human-verification-and-no-survey_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/free-roblox-cards-pin-number_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/how-to-get-minecraft-windows-10-for-free_GM479516143.pdf
- https://www.efeskbb.com/upload/content/files/coin-master-gold-cards-free_GM406889139.pdf
- https://www.efeskbb.com/upload/content/files/roblox-fun-com-free-robux_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/robux-free-gift-card-org-hack_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/avatar-de-roblox_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/coin-master-free-spin-ml_GM406889139.pdf
- https://www.efeskbb.com/upload/content/files/roblox-hack-com_GM431946152.pdf
- https://www.efeskbb.com/upload/content/files/reddit-coin-master-hack_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_004_off00005218.bin4a24b08020609b882fd2b09faebdc76da157c19db19ed9d34624ea39e9b02fa8 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5218 | 24932 bytes |
font_01_sfnt_off00008b88.bin69162c0303826e3a88150cee7b6b12b50ba56e04bc46253c0e5eb9f80ac8a399 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B88 | 19224 bytes |
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