MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document employs a lure of "free generators" and "game hacks" to entice users to click on embedded links. The primary link, https://netcdn.xyz/app/479516143/minecraft-login-free-game-hack, is identified as a malicious redirector. The document also contains a large number of links to other PDFs hosted on achauco.vn, suggesting a link farm or a method to distribute further malicious content. The ML classifier strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9632
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 https://netcdn.xyz/app/479516143/minecraft-login-free-game-hack In PDF document text
- http://achauco.vn/public/upload/files/coin-master-free-spins-today-39_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-online-hack-no-human-verification_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-spins-for-coin-masters_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-hack-tool-no-survey_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-robux-no-apps_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/oprewards-com-robux_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-roblox-templates_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/roblox-getting-hacked_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-free-spin_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-free-spins-link-no-verification-2021_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/games-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/hack-coin-master-without-root_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-roblox-accounts-2021-with-robux_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 |
|---|---|---|---|
font_00_sfnt_off00004a1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A1C | 24440 bytes |
SHA-256: 067a2e5a324706e13e5fadb5a970cf140885562aa8176c191119d03addaaf8b8 |
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font_01_sfnt_off00008249.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8249 | 2912 bytes |
SHA-256: 02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f |
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font_02_sfnt_off00008c46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C46 | 17996 bytes |
SHA-256: a07e2ad8fd79bb30e6fc1ebe6b3b8a9b32aa8410594bf0891ac0147b7718a067 |
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