MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links designed to lure users into clicking on what appears to be a 'game hack' or 'free spins' generator. One of these links, http://netcdn.tw/app/406889139/coin-master-free-spins-link-2021-game-hack, is identified as a malicious redirector. The document body and embedded links suggest a social engineering tactic to drive traffic to potentially malicious sites, likely for further malware delivery or phishing.
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-2021-game-hack In PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/free-minecraft-games-for-kids_GM479516143.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/buy-robux-free_GM431946152.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/robux-free-c_GM431946152.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/free-robux-obby_GM431946152.pdfIn PDF document text
- https://man1kotasmi.sch.id/__statics/gudangsoal/files/minecraft-free-ios_GM479516143.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_002_off00002f16.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2F16 | 23012 bytes |
SHA-256: 01d77806e4f252b46b80d203171b4c851a870f36066d5ced953e9bc531eae803 |
|||
font_01_sfnt_off000062f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62F1 | 18456 bytes |
SHA-256: 405c435adaafa0da304b7a4986d8f56c56dc87ed278d5cff2ac0c57977d8d7e3 |
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