MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document uses a 'free Robux' lure, impersonating Facebook to trick users into clicking a malicious link. The link, https://netcdn.tw/app/431946152/free-robux-no-human-verification-2021-no-human-game-hack, is associated with a fake CAPTCHA and credential phishing. While no scripts were explicitly extracted, the PDF structure and heuristics suggest it's designed to redirect users to potentially malicious sites for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9768
Heuristics 7
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PDF links to a 'free generator / game hack' redirector high 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.
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.tw/app/431946152/free-robux-no-human-verification-2021-no-human-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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External URI info PDF_URIPDF contains an external URL action
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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.tw/app/431946152/free-robux-no-human-verification-2021-no-human-game-hack PDF link annotation
- http://library.poltekkes-palangkaraya.ac.id//repository/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/roblox-free-items-promo-codes_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/how-to-hack-roblox-passwords_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-hack-injection_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-2021-account-roblox_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-hack-no-verification-no-signup_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-hack-apk-download_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/roblox-land-free-robux_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/roblox-its-free-roblox-id_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/roblox-troll-outfits-free_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-coin-master-spin-generator_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/free-robux-ad_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5220 | 26824 bytes |
SHA-256: de2471e53548ac22db208a791880bbacfc6ffda48d569b60631da38b921a308e |
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font_01_sfnt_off00008ef7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EF7 | 3884 bytes |
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf |
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font_02_sfnt_off00009b9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B9E | 19796 bytes |
SHA-256: 4721c79968979d4905ab49b93d99b993f19b51d3affdb66757fcdb29c869649d |
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