MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 5
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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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PDF links to a 'free generator / game hack' redirector high 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.
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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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External URI info PDF_URIPDF contains an external URL action
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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/406889139/how-to-hack-coins-in-archery-master-3d-game-hack PDF link annotation
- https://vosco.vn/uploads/vosco.vn/files/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/minecraft-hack-mod_GM479516143.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/how-to-make-my-own-coin-master-cards-hack_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/girl-roblox-avatar_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/update-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-hack-mod-apk-android-1_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-hacks-for-android_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/free-robux-wheel_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/roblox-no-download-hack_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/robuxmatchcom-free-robux_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-hack-fast-org_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 |
|---|---|---|---|
stream_003_off00004aaf.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4AAF | 26016 bytes |
SHA-256: bdb2ca6c94fee56bd7d92bb54e9634a4d5b5e8444f315d85207c7283111cf449 |
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font_01_sfnt_off000086a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86A6 | 18572 bytes |
SHA-256: 4500fe29ddf1d7d9300f1962a48dd2bba7805d525d10eea9ff3dae6e1a1b44ac |
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