MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains multiple links, including one pointing to known malicious redirector infrastructure. The document body and embedded links suggest a lure for 'free Robux' or game hacks, a common social engineering tactic. The primary malicious link is https://netcdn.xyz/app/431946152/free-robux-2021-pastebin-game-hack, which likely leads to a further payload or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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.xyz/app/431946152/free-robux-2021-pastebin-game-hack In PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-to-play-right-now.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-items-for-free-in-roblox-2021.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/artmoney-robux-hack.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-no-human-verificationcom.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-gift-card-free-codes-2021.pdfIn PDF document text
- http://technibuild-group.com/uploaded_files/userfiles/files/hack-esp-roblox.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-coes.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-hack-2021.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-acount-info-hack-with-robux.pdfIn PDF document text
- http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-robux-clothes.pdfIn PDF document text
- https://robux-rank.comIn 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_off000041a7.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x41A7 | 29728 bytes |
SHA-256: 5f5b776a53431c35c547d4439f0d607824234066b713c6c85af32aad4e60f612 |
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font_01_sfnt_off000084c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84C9 | 19024 bytes |
SHA-256: 7ad180951d004a0fa51f9199bf4dd26ffc7b1a5be881b401148a75457e00c71f |
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