MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains multiple links to redirector domains, specifically advertising free in-game currency or hacks. The primary lure URL, http://netcdn.tw/app/431946152/free-robux-without-doing-anything-game-hack, is flagged as malicious. The document body also contains a call to action to 'CLICK HERE TO ACCESS ROBUX GENERATOR', reinforcing the phishing attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9900
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 http://netcdn.tw/app/431946152/free-robux-without-doing-anything-game-hack In PDF document text
- https://kupidrbpz.hr/images/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
- https://kupidrbpz.hr/images/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
- https://kupidrbpz.hr/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
- https://kupidrbpz.hr/images/free-coin-coin-master_GM406889139.pdfIn PDF document text
- https://kupidrbpz.hr/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://kupidrbpz.hr/images/blox-land-free-robux_GM431946152.pdfIn PDF document text
- https://kupidrbpz.hr/images/free-robux-co_GM431946152.pdfIn PDF document text
- https://kupidrbpz.hr/images/real-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://kupidrbpz.hr/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- https://kupidrbpz.hr/images/free-robux-generator-no-human-verification-2021_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 |
|---|---|---|---|
font_00_sfnt_off00002968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2968 | 21780 bytes |
SHA-256: 19f045767de5563fdb330d1e7724770de25caa0e036f6593fb3638f7a9b2e12a |
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font_01_sfnt_off0000597c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x597C | 19424 bytes |
SHA-256: ce4897eff9d04202a557cf473123b6bbe5415239b22eda76d44945625b44829b |
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