MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious. It uses brand-impersonation credential phishing, a fake-CAPTCHA lure, an MFA/2FA-themed lure and an urgency-based lure. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier clean score 0.0098
Heuristics 8
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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: http://netcdn.tw/app/1330123889/pubg-uc-new-redeem-code-game-hack.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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 http://netcdn.tw/app/1330123889/pubg-uc-new-redeem-code-game-hack PDF link annotation
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/how-to-get-a-lua-injector-for-hacking-roblox-free_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/promo-code-that-gives-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/free-minecraft-account-and-password-generator_GM479516143.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/roblox-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-android-device_GM479516143.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/free-robux-com_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/free-robux-on-iphone_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/roblox-free-robux-server_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-generator_GM406889139.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/free-robux-computer-hack_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/collect-free-spin-linms-coin-master_GM406889139.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/roblox-gun-free_GM431946152.pdfIn PDF document text
- https://www.medlinerecruitment.com/uploaded_files/userfiles/files/free-minecraft-realms-to-join_GM479516143.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 |
|---|---|---|---|
stream_024_off00037ed4.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x37ED4 | 26180 bytes |
SHA-256: 1f0f8fb596c22a3ce6d3873a01409f9942cad210bae5b6320d51898babb9c564 |
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font_01_sfnt_off0003bc37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3BC37 | 18864 bytes |
SHA-256: f603d00bec7a7eb011fff2e9fddcf7ad5a3d424e978af20c4379ed27ce495741 |
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