MALICIOUS
82
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The document presents a fake CAPTCHA to trick the user into interacting with it, which is a common social engineering tactic. It contains an embedded URI pointing to a suspicious URL, likely intended to download a second-stage payload or redirect the user to a phishing site. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 4
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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-spins-on-coin-master-2021-game-hack PDF link annotation
- http://mou16-murmansk.ru/images/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
- http://mou16-murmansk.ru/images/free-minecraft-bedrock-server-hosting-24-7_GM479516143.pdfIn PDF document text
- http://mou16-murmansk.ru/images/free-robux-survey_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/what-do-roblox-points-do_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
- http://mou16-murmansk.ru/images/how-to-get-free-robux-youtube_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/coin-game_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
- http://mou16-murmansk.ru/images/free-spin-and-daily-news-coin-master_GM406889139.pdfIn PDF document text
- http://mou16-murmansk.ru/images/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off0000472d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x472D | 24044 bytes |
SHA-256: c1022130a5a6de989a15630dbf6aea399cd3d2331f76be005f50f17d0a08dcca |
|||
font_01_sfnt_off00007e26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E26 | 18288 bytes |
SHA-256: e7fc04cebd192de8ea685c8f65a9790caba4d729d1f53b0455241ee170bde56f |
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