MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'http://netcdn.tw/app/431946152/free-robux-mobile-game-hack'. The document body and other URLs reinforce this lure, advertising free in-game currency (Robux) for games like Roblox and Coin Master. The malformed stream length suggests an attempt to hide malicious content, likely an exploit or script designed to redirect the user to the malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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-mobile-game-hack In PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/coin-master-hack-tool-india_GM406889139.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/roblox-hack-sans-verification-humaine_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/free-roblox-intro_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/free-robux-reddit_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/cool-roblox-guy-hacker_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/roblox-free-hair-codes_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/mango-tango-roblox-cheating-on-girls_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/roblox-cheat-codes-ios_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/free-catalog-roblox-hair_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/free-robux-hack-october-2021_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/blox-fish-free-robux_GM431946152.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
- https://www.markettraderacademy.com/uploaded_files/userfiles/files/coin-master-spins-hack-2021_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_off00003402.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3402 | 22176 bytes |
SHA-256: 2a4d035c6530b5d588e153fc5afa765d3f7ec282bc07358e41efcedd080ef815 |
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font_01_sfnt_off000064a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64A9 | 19104 bytes |
SHA-256: 573e3addcc1a6fdc5e08f445db2ef54d6c45d37482ab709f67476411b6906f7c |
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