MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of external links, identified as a link farm, pointing to other PDF files. The primary URL, https://netcdn.xyz/app/406889139/free-links-coin-master-game-hack, suggests a lure related to game hacks or cheats. The presence of a 'Download Now' heuristic further supports a malicious workflow. While no scripts were explicitly extracted, the PDF structure itself facilitates the redirection to these external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.8948
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-links-coin-master-game-hack
- http://rexingen.info/images/blox-fish-free-robux_GM431946152.pdf
- http://rexingen.info/images/how-to-get-robux-for-free-2021_GM431946152.pdf
- http://rexingen.info/images/how-to-change-your-username-on-roblox-for-free_GM431946152.pdf
- http://rexingen.info/images/202100-free-spins-coin-master_GM406889139.pdf
- http://rexingen.info/images/how-to-get-free-robux-easy_GM431946152.pdf
- http://rexingen.info/images/how-to-get-free-robux-on-phone-2021_GM431946152.pdf
- http://rexingen.info/images/coin-master-unlimited-spin-link_GM406889139.pdf
- http://rexingen.info/images/25-free-spins-coin-master_GM406889139.pdf
- http://rexingen.info/images/how-to-hack-roblox-accounts-passwords_GM431946152.pdf
- http://rexingen.info/images/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdf
- http://rexingen.info/images/can-you-really-hack-coin-master_GM406889139.pdf
- http://rexingen.info/images/free-coins-coin-master-2021_GM406889139.pdf
- http://rexingen.info/images/free-spin-coin-master-twitter_GM406889139.pdf
- http://rexingen.info/images/free-minecraft-alts_GM479516143.pdf
- http://rexingen.info/images/roblox-download_GM431946152.pdf
- http://rexingen.info/images/how-to-hack-into-someones-roblox-account_GM431946152.pdf
- http://rexingen.info/images/coin-master-20-free-spins-link-2021_GM406889139.pdf
- http://rexingen.info/images/coin-master-free-spins-cheat_GM406889139.pdf
- http://rexingen.info/images/microsoft-free-robux_GM431946152.pdf
- http://rexingen.info/images/free-daily-spins-coin-master-2021_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_off00004be8.bin231a2f5a0c4a747b96cbc165816fa4c1912e907b0faa567ebee232239a219f20 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4BE8 | 28020 bytes |
font_01_sfnt_off00008a03.bina7ffd47631dfdffd19913a7d019e14a4e4f6584a4e894343a0be0687632311e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A03 | 3620 bytes |
font_02_sfnt_off000096c5.binc5130e18caf6f7222c4492e4e2e2fc6b4580e14129763dcab090a363ad6db2dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96C5 | 17880 bytes |
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