MALICIOUS
300
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document is designed as a lure, presenting a fake CAPTCHA or human verification prompt to trick users into clicking links. These links, such as 'https://netcdn.xyz/app/431946152/free-800-robux-game-hack', lead to malicious redirector infrastructure and impersonate brands like eBay to encourage credential phishing. The document also contains a large number of links to other PDF files, likely part of an SEO farm to improve search engine ranking for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9432
Heuristics 7
-
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.
-
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.
-
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.
-
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
-
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.xyz/app/431946152/free-800-robux-game-hack.
-
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
-
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.xyz/app/431946152/free-800-robux-game-hack In PDF document text
- http://biljartenbarendrecht.nl/images/free-robux-app-real_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/hack-xp-net-coin-master_GM406889139.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/free-roblox_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/rewardex-robux_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/robux-hacks-2021_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/earn-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/roblox-hack-ios_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/coin-master-free-spin-app-reviews_GM406889139.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/coin-master-apk-hack_GM406889139.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
- http://biljartenbarendrecht.nl/images/coin-master-hack-apk-with-fb-login-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_off00004a4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A4D | 25736 bytes |
SHA-256: 5a0e6edb9ea9707b63141ec3d34fdcaafee591c529ed7316bd391232e68ca363 |
|||
font_01_sfnt_off000084f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84F6 | 3884 bytes |
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf |
|||
font_02_sfnt_off0000919e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x919E | 18396 bytes |
SHA-256: 2059a7894931e9b75336f5975f03d939213f3fdb926ff7d6db67df9fd1731cb7 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.