MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs and a link farm heuristic indicates a large number of external links, suggesting a SEO spam or phishing campaign. The document body, though partially corrupted, contains references to 'Coin Master Codes' and 'game hack', aligning with the external URLs. The presence of external links and the ML classifier's high confidence score support a malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9648
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/coin-master-codes-game-hack
- http://centr-expert.su/images/free-spins-coin-master-october-17-2021_GM406889139.pdf
- http://centr-expert.su/images/free-roblox-hack-us_GM431946152.pdf
- http://centr-expert.su/images/free-coins-for-coin-master_GM406889139.pdf
- http://centr-expert.su/images/daily-free-spins-and-coins-coin-master_GM406889139.pdf
- http://centr-expert.su/images/minecraft-bedrock-free-with-java_GM479516143.pdf
- http://centr-expert.su/images/how-to-hack-someones-minecraft-account_GM479516143.pdf
- http://centr-expert.su/images/minecraft-bedrock-hacks_GM479516143.pdf
- http://centr-expert.su/images/daily-free-spin-link-for-coin-master_GM406889139.pdf
- http://centr-expert.su/images/free-robux-generator-no-survey_GM431946152.pdf
- http://centr-expert.su/images/rbx-hut_GM431946152.pdf
- http://centr-expert.su/images/pasos-para-hackear-coins-master_GM406889139.pdf
- http://centr-expert.su/images/rbxfree-com-free-robux_GM431946152.pdf
- http://centr-expert.su/images/coin-master-unlimited-spin-link_GM406889139.pdf
- http://centr-expert.su/images/coin-master-free-spins-and-coins-2021_GM406889139.pdf
- http://centr-expert.su/images/minecraft-handbook_GM479516143.pdf
- http://centr-expert.su/images/free-robux-codes-no-verification-2021_GM431946152.pdf
- http://centr-expert.su/images/how-to-get-free-robux_GM431946152.pdf
- http://centr-expert.su/images/master-coin-free-spin_GM406889139.pdf
- http://centr-expert.su/images/free-roblox-gift-card_GM431946152.pdf
- http://centr-expert.su/images/what-is-exploiting-in-roblox_GM431946152.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_off00004722.bin3ca9e49863fd5629071e73837d986e6e1c0009b585c34fa72f8ae4d3bf9ad882 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4722 | 25964 bytes |
font_01_sfnt_off00008261.bin3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8261 | 2840 bytes |
font_02_sfnt_off00008c13.bine3dc30cd69473f08b9483bb660e9aeaccc8f6f74c3e4f353697525059d592d8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C13 | 17720 bytes |
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