MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains multiple links designed to lure users into clicking on a "game hack" or "Robux generator" which redirects to a malicious site. The primary malicious URL identified is https://netcdn.online/app/431946152/robux-no-verification-game-hack, which is also used in a brand-impersonation phishing attempt for Netflix. No scripts were extracted, but the presence of malicious redirector links and the ML classifier output strongly indicate a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9751
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.online/app/431946152/robux-no-verification-game-hack.
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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.online/app/431946152/robux-no-verification-game-hack In PDF document text
- http://library.stieyapan.ac.id/repository/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/coin-master-fan-page-giveaway_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/free-rare-cards-for-coin-master-christmas_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/free-spin-and-coin-blogspot-com_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/robux-get-com_GM431946152.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/coin-master-free-spins-app-for-iphone_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/como-hackear-coin-master-en-espaol_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/free-spin-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/can-lucky-patcher-hack-coin-master_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/coin-master-free-spins-link-may-2021_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/coin-master-70-spin-link_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/free-roblox-exploits_GM431946152.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/free-account-roblox-2021_GM431946152.pdfIn PDF document text
- http://library.stieyapan.ac.id//repository/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://library.stieyapan.ac.id/repository/generator-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000051e7.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x51E7 | 23944 bytes |
SHA-256: 44b14a901d2274017d3b5bd0c6fe7923b6dafc69b4258eec527b0d9b175a3bdc |
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font_01_sfnt_off00008881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8881 | 2984 bytes |
SHA-256: 4adb8a917f49e7111d61a35b75f09762f191422f789e84659f5497848d60b01b |
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font_02_sfnt_off000092a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92A9 | 5596 bytes |
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5 |
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font_03_sfnt_off00009f50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F50 | 18436 bytes |
SHA-256: 7bd58a32436a1cd7e6b960dae53a6923ed98c563d453e9d292140b8243cceb65 |
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