MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains multiple links to known malicious redirector infrastructure, specifically advertising 'free Robux' and game hacks. The primary lure URL is http://netcdn.tw/app/431946152/free-robux-today-game-hack, which is flagged as malicious. The document body and embedded links suggest a social engineering tactic to trick users into visiting these sites, likely leading to further malware downloads or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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-today-game-hack In PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/free-robux-cards_GM431946152.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/minecraft-font-free_GM479516143.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
- http://www.nlcitychurch.org.hk/upload/userfiles/files/free-coin-coin-master_GM406889139.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_off00002ca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2CA1 | 23012 bytes |
SHA-256: 12822e046320eb776d30d4e4f909eca51cc6ed6056f86edbc2d33dba01764e05 |
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font_01_sfnt_off0000604e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604E | 18780 bytes |
SHA-256: b89839336f543daecca7de845d957cfdcfca5db5ed981a2fc5ccd1e252f733b0 |
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