MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains numerous links, including one pointing to a known malicious redirector infrastructure at http://netcdn.co/app/431946152/stickmasterluke-free-robux-obbys-link-game-hack. The document body and heuristics indicate a lure for free game items, likely a social engineering tactic to drive traffic to potentially malicious sites or download further payloads. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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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 http://netcdn.co/app/431946152/stickmasterluke-free-robux-obbys-link-game-hack In PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-game-free-download_GM406889139.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-free-robux-groups_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/hack-pack-roblox-level-7_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/free-roblox-outfits-2021_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/robuxglobalcom_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-get-free-cards_GM406889139.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/how-can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/coin-master-free-spin-app-iphone_GM406889139.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/free-admin-on-roblox-free-robux_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/minecraft-hacked-apk_GM479516143.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.biochemix.com/uploaded_files/userfiles/files/cool-roblox-skins-for-free_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 |
|---|---|---|---|
font_00_sfnt_off0000317e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x317E | 21144 bytes |
SHA-256: e6560057350ae3b0eebaf2ac4b927b4f8e89e04ee8bbee6afba60f80a9f40d07 |
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font_01_sfnt_off00005fa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FA6 | 19624 bytes |
SHA-256: cd66c85a718750c01e08a2c8fc962f4311f1ae0651eb7e6c81faf4714739338c |
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