MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple links to redirectors and known malicious infrastructure, disguised as game hacks and generators. The presence of a fake CAPTCHA heuristic indicates an attempt to trick the user into interacting with the document, likely to trigger the embedded links. While no scripts were explicitly extracted, the PDF structure and link farm suggest a common pattern for distributing malware or leading users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9013
Heuristics 6
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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.
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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.
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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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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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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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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/roblox-old-avatar-game-hack In PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/roblox-font-free_GM431946152.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/minecraft-pe-016-0-apk-download-free_GM479516143.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/free-robux-discord_GM431946152.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-free-download-pc_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/how-to-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-daily-gift-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/minecraft-hacks-list_GM479516143.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/bloxpage-free-robux_GM431946152.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-free-spin-redeem-code_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/spin-and-coin-link_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.studiolorenzale.it/lorenzale/ckfinder/userfiles/files/robux-game_GM431946152.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 |
|---|---|---|---|
stream_003_off00004b1b.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4B1B | 28116 bytes |
SHA-256: 32ae5719dcc62e344795de02d12ecb67f87456620c58d7ac9c6210448c36ba43 |
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font_01_sfnt_off00008b17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B17 | 5596 bytes |
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5 |
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font_02_sfnt_off000097be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97BE | 18404 bytes |
SHA-256: 3ee04b9976b2778629c251408a788a05adb62cbea0810dca153e44138bd3c832 |
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