MALICIOUS
268
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document employs a fake CAPTCHA lure to trick users into clicking malicious links, such as the one pointing to 'free-robux-no-generator-game-hack'. It also contains a large number of links to other PDFs hosted on a link farm, likely for SEO manipulation to distribute further lures. The ML classifier strongly indicated maliciousness, and the presence of multiple redirector links reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9796
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
-
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
-
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.online/app/431946152/free-robux-no-generator-game-hack In PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-discord_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-roblox-dominus_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/minecraft-bedrock-server-hosting-free_GM479516143.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-card-codes_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/roblox-robux-hack_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/roblox-land-free-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/tiktok-free-view-10_GM835599320.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/how-to-get-a-refund-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
- http://perpustakaan-pelita.sdnpercobaan2yogyakarta.com/repository/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
- https://collectrobux.coIn 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_004_off00004e4f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4E4F | 28424 bytes |
SHA-256: 6616097a6ebc4526d2091082888b0963fa18c6f836890a1d6a1ca8158d004b04 |
|||
font_01_sfnt_off00008f9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F9E | 3992 bytes |
SHA-256: ca9cd4f0345d8483bda3e807ea4e40142b8bf70d3672af2d6a5dd7953d1a2391 |
|||
font_02_sfnt_off00009cc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CC5 | 18344 bytes |
SHA-256: d0a2580a9848789708f711aeedd4c44eef26827bf748da476089155bc80243e8 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.