MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a malformed stream and links to known malicious redirector infrastructure, specifically advertising a "free Robux generator" or "game hack". The ML classifier strongly indicates maliciousness. The document's content and heuristics suggest it is designed to trick users into visiting malicious sites, likely as a lure for further exploitation or scams.
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.co/app/431946152/free-robux-codes-2021-september-game-hack In PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/room-roblox-cheats_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/pastebin-roblox-hack-robux_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/get-28-robux-hack_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/how-do-hack-piano-roblox_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/robux-hack-tool-no-human-verification_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/how-to-get-cheat-engine-on-roblox_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/how-to-report-hacking-on-roblox_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/roblox-rs16-5-hacks_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/roblox-free-no-sign-up_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/free-obc-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/free-minecraft-hosting-24-7_GM479516143.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/how-to-hack-robux-1_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/roblox-hack-com_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/roblox-unboxing-simulator-hack_GM431946152.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://learning.mtsn3kotabekasi.sch.id/__statics/gudangsoal/files/how-to-get-free-unlimited-robux-by-hacking_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_off000031bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x31BF | 22212 bytes |
SHA-256: ae9f5c62e00a2b88e57814912e79c17db66f4fbae46b80c0088a54dbc4375e9f |
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font_01_sfnt_off00006311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6311 | 19832 bytes |
SHA-256: 9657166d9b7a1ce997127e982440ec3ab449308d7dccf0cf567ea672dd37c175 |
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