MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by an ML classifier. It uses brand-impersonation credential phishing and a fake-CAPTCHA lure. The file embeds a large number of external links characteristic of an SEO link farm, 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 malicious score 0.9864
Heuristics 7
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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/redeem-roblox-promotions-free-2021-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/redeem-roblox-promotions-free-2021-game-hack PDF link annotation
- https://traveljogja.net/ckfinder/userfiles/files/hack-coin-master-for-iphone_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/2021-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/coin-master-free-mighty-lion-card_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/can-you-still-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/free-robux-generator-no-human-verification-ios_GM431946152.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/coin-master-facebook_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/coin-master-hack-link-2021_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/pubg-uc-nasl-alnr_GM1330123889.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/robux-adder_GM431946152.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/how-to-get-free-legit-working-robux_GM431946152.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/moonactive-coin-master-hack_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/how-to-get-minecraft-for-free-on-xbox_GM479516143.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
- https://traveljogja.net/ckfinder/userfiles/files/blogspot-coin-master-free-spins_GM406889139.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_004_off0000529d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x529D | 25704 bytes |
SHA-256: d78813199d2a503b74f63714c5e8b0c7f62253baa8352a1180b3aa8fe5ac0a30 |
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font_01_sfnt_off00008e23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E23 | 19160 bytes |
SHA-256: 110d9018694533d814b04460ef3e2237900994a7b1ce7c23f2427beb5b7aa0aa |
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