MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous links to external websites, many of which are structured as SEO-optimized PDF links, suggesting a link farm or content aggregation strategy. The presence of a security bypass instruction and the ML classifier's high confidence score indicate malicious intent. The document likely aims to trick users into downloading further malicious content or visiting phishing sites by leveraging lures related to popular games.
Machine Learning
- Nyx PDF Classifier malicious score 0.9796
Heuristics 6
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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/hack-roblox-pc-robux-game-hack
- http://deyuan-pc.com.tw/images/coin-master-free-spins-coins_GM406889139.pdf
- http://deyuan-pc.com.tw/images/coin-master-hack-without-verification-code_GM406889139.pdf
- http://deyuan-pc.com.tw/images/coin-master-hack-download-2021_GM406889139.pdf
- http://deyuan-pc.com.tw/images/free-texture-packs-for-minecraft-pe_GM479516143.pdf
- http://deyuan-pc.com.tw/images/how-to-download-minecraft-windows-10-edition-for-free_GM479516143.pdf
- http://deyuan-pc.com.tw/images/how-to-make-roblox-clothes-for-free_GM431946152.pdf
- http://deyuan-pc.com.tw/images/can-you-actually-get-free-robux_GM431946152.pdf
- http://deyuan-pc.com.tw/images/free-robux-accounts_GM431946152.pdf
- http://deyuan-pc.com.tw/images/coin-master-hacks-for-spins_GM406889139.pdf
- http://deyuan-pc.com.tw/images/minecraft-for-free-on-phone_GM479516143.pdf
- http://deyuan-pc.com.tw/images/minecraft-beta-free_GM479516143.pdf
- http://deyuan-pc.com.tw/images/what-games-on-roblox-give-you-free-robux_GM431946152.pdf
- http://deyuan-pc.com.tw/images/pokemon-go-free-7km-egg-list_GM1094591345.pdf
- http://deyuan-pc.com.tw/images/coin-master-heaven-daily-free-spins-link-today_GM406889139.pdf
- http://deyuan-pc.com.tw/images/free-robux-rewards_GM431946152.pdf
- http://deyuan-pc.com.tw/images/free-spins-and-coins-coin-master-link-2021_GM406889139.pdf
- http://deyuan-pc.com.tw/images/minecraft-on-computer-free_GM479516143.pdf
- http://deyuan-pc.com.tw/images/blox-land-free-robux_GM431946152.pdf
- http://deyuan-pc.com.tw/images/how-to-get-minecraft-on-chromebook-for-free_GM479516143.pdf
- http://deyuan-pc.com.tw/images/free-coin-master-coins_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_004_off00005243.bin2eb77c703f757d6b9bdc51d01c0f7f73092795dd822b706a20ec96f3273ab96a |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5243 | 28164 bytes |
font_01_sfnt_off0000936b.bin9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x936B | 5596 bytes |
font_02_sfnt_off0000a012.binae80be787ee2aa1c29cbf291d35afb7d500609dc4404daa90daacd13c0e52a5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA012 | 18476 bytes |
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