MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1534 Credentials from Password Stores
This PDF document employs a game hack lure to trick users into clicking a malicious link, impersonating brands like Apple. The presence of a fake CAPTCHA and MFA lure suggests an attempt to harvest credentials or abuse multi-factor authentication. The embedded URL `http://netcdn.tw/app/1330123889/pubg-uc-qatar-game-hack` is the primary indicator of this malicious activity.
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-qatar-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-qatar-game-hack PDF link annotation
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/you-promised-my-son-free-robux_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/free-robux-inspect-needed_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/free-robux-co_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/free-roblox-exploit-no-virus_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/pubg-uc-redeem-code-2021_GM1330123889.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/roblox-free-robux_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/roblox-dashing-simulator-hack_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/daily-coin-master-spins_GM406889139.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/autoclicker-free-for-roblox_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/coin-master-rewards_GM406889139.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/coin-master-hack-apk-iphone_GM406889139.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/minecraft-education-edition-free_GM479516143.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/how-to-get-free-brown-hair-in-roblox_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/coin-master-332-apk-free-download_GM406889139.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/coin-master-free-cards-and-spin-link_GM406889139.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/robux-free-robux_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/hack-roblox-jailbreak-fr_GM431946152.pdfIn PDF document text
- http://cpsad.adturekorea.co.kr/newboard/_upload/userfiles/files/how-to-get-free-robux-for-free-on-pc_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 |
|---|---|---|---|
stream_024_off0003823b.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x3823B | 25928 bytes |
SHA-256: 19d9fc63fd943890c375847186a456559941e9fcd31d9cee110a290f863c756c |
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font_01_sfnt_off0003bf51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3BF51 | 18388 bytes |
SHA-256: 9dacc5cb72a7b55af0ab5d90b96fa6046e70d0fc2ce8f3e8316d74f06b11a88c |
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