MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external resources, including a known malicious redirector at http://netcdn.tw/app/479516143/minecraft-marketplace-free-game-hack. The document also presents a fake CAPTCHA, intended to trick users into interacting with the malicious links. The presence of a link farm and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://netcdn.tw/app/479516143/minecraft-marketplace-free-game-hack In PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/best-ways-to-make-robux-in-roblox-for-free-2021_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/hack-coin-master-apk-358_GM406889139.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/free-robux-apk_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/free-coin-master-glitches_GM406889139.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/roblox-elemental-battlegrounds-hack-diamonds_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/coin-master-free-pet-snacks_GM406889139.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/hack-murder-mystery-roblox-to-download_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/robux-hack-generator-no-survery-no-human-verification_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/new-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/roblox-hacking-12-08-18-not-working_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/free-robux-survey_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/roblox-boga-boga-god-armor-and-god-rock-hack_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
- http://elearning5.mts-mifdakpj.sch.id/__statics/gudangsoal/files/how-to-get-free-pet-food-on-coin-master_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 |
|---|---|---|---|
font_00_sfnt_off0000333e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x333E | 22784 bytes |
SHA-256: 5b43e1dc532489a9524919228129278520ad5ee05c34e8a839463764a97c6cef |
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font_01_sfnt_off00006669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6669 | 18276 bytes |
SHA-256: 851559a5fd6e62fab99e3f10ced46a7500bf4b50a281de52988b90e06cb1dea6 |
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