MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains multiple embedded links that redirect to malicious infrastructure, specifically promoting 'free Robux' and game hacks. The primary lure URL is https://netcdn.tw/app/431946152/rex-points-get-free-robux-game-hack, which is flagged as a malicious redirector. The document body and heuristics indicate a social engineering tactic to trick users into visiting these sites, likely for further malware delivery or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
Heuristics 4
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PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LUREPDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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/rex-points-get-free-robux-game-hack In PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/roblox-skins-boy-free_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-hack-version-download-2021-ios_GM406889139.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/free-roblox-website_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/minecraft-windows-10-free_GM479516143.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/free-robux-working_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/how-do-you-get-roebucks-for-free_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-gold-cards-hack_GM406889139.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/robux-page_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-hack-without-verification-or-downloading-apps_GM406889139.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/coin-master-free-coins-and-spins-link-today_GM406889139.pdfIn PDF document text
- http://acquacleanpiscinas.com.br/images/ckfinder/files/free-minecraft-printables_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00004f2f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4F2F | 26848 bytes |
SHA-256: 63ee3e9afe16784e113b934e61a896cda1d2e36f0c894046e62869dd8233b1ee |
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font_01_sfnt_off00008b3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B3D | 5596 bytes |
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5 |
|||
font_02_sfnt_off000097e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97E4 | 18392 bytes |
SHA-256: 78bc5987f2fe87bbedfa6c3fd58bc70bb4b764bc0099978f27ef28c91445b94b |
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