MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains embedded links that redirect to malicious infrastructure, specifically promoting 'free generator / game hack' lures. The primary link identified is http://netcdn.tw/app/406889139/coin-master-free-spins-link-game-hack. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a social engineering attempt to lead the user to potentially harmful content, likely as a precursor to further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 4
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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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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/406889139/coin-master-free-spins-link-game-hack In PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-tiktok-fans-and-likes_GM835599320.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-tiktok-fans-no-verification_GM835599320.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/minecraft-login-free_GM479516143.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
- https://elearning.manbinjai.com/__statics/gudangsoal/files/free-spin-link-for-coin-master-game_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_off00002ea4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2EA4 | 23436 bytes |
SHA-256: 5c6ed40d3324c04629d527c754323ef5dc5f53e17052b77b3282b0b261827fc0 |
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font_01_sfnt_off00006399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6399 | 18056 bytes |
SHA-256: a4f33549350803e8a819cbfad6b4ff3cdc0b302ceab74af9f2f663eab6bd9ec0 |
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