MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links and a document body that promotes free in-game currency and items for popular games like Coin Master and Roblox. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, many of which are likely malicious or lead to phishing sites. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves luring users to click these links, which could lead to credential harvesting or the download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9621
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.xyz/app/406889139/free-coin-master-spins-daily-game-hack
- http://unilin21.ru/images/coin-master-hack-online-generator_GM406889139.pdf
- http://unilin21.ru/images/how-to-get-roblox-premium-for-free_GM431946152.pdf
- http://unilin21.ru/images/how-to-get-free-minecraft-alts_GM479516143.pdf
- http://unilin21.ru/images/how-to-get-free-roblox-hair_GM431946152.pdf
- http://unilin21.ru/images/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdf
- http://unilin21.ru/images/roblox-studio-free-download_GM431946152.pdf
- http://unilin21.ru/images/coin-master-free-spins--coins-2021_GM406889139.pdf
- http://unilin21.ru/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdf
- http://unilin21.ru/images/update-coin-master-free-spins_GM406889139.pdf
- http://unilin21.ru/images/can-you-hack-coin-master_GM406889139.pdf
- http://unilin21.ru/images/how-to-get-free-robux-inspect_GM431946152.pdf
- http://unilin21.ru/images/free-robux-android_GM431946152.pdf
- http://unilin21.ru/images/coin-master-free-cards-and-spin-link_GM406889139.pdf
- http://unilin21.ru/images/how-to-get-free-robux-without-verifying-2021_GM431946152.pdf
- http://unilin21.ru/images/how-to-hack-a-roblox-account-easy_GM431946152.pdf
- http://unilin21.ru/images/how-to-buy-robux-for-free_GM431946152.pdf
- http://unilin21.ru/images/how-to-get-free-robux-no-verification_GM431946152.pdf
- http://unilin21.ru/images/how-to-get-free-robux-on-roblox_GM431946152.pdf
- http://unilin21.ru/images/daily-spin_GM406889139.pdf
- http://unilin21.ru/images/free-spins-coin-master-generator_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off000049f7.binb6318f7ce96bb69d02155683f065007af4dd38a7c48a21f6f70fb5005a69518b |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x49F7 | 25228 bytes |
font_01_sfnt_off000083d2.bin3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D2 | 2840 bytes |
font_02_sfnt_off00008d84.bin55b350ba652cc81c58cde26cd3be3a49d0b7ceb69ba015e6646fbbf561effc1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D84 | 18308 bytes |
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