MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains multiple embedded links that redirect to known malicious infrastructure, specifically a URL associated with free generator lures. The document body also contains a call-to-action phrase, reinforcing the lure. While no scripts were explicitly extracted, the nature of the embedded links and the heuristic firings suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9294
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/479516143/free-printable-minecraft-coloring-pages-game-hack In PDF document text
- https://osk-sibir.ru/images/robux-free-c_GM431946152.pdfIn PDF document text
- https://osk-sibir.ru/images/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
- https://osk-sibir.ru/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://osk-sibir.ru/images/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- https://osk-sibir.ru/images/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
- https://osk-sibir.ru/images/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://osk-sibir.ru/images/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
- https://osk-sibir.ru/images/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
- https://osk-sibir.ru/images/free-tiktok-video_GM835599320.pdfIn PDF document text
- https://osk-sibir.ru/images/free-robux-no-scam_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_off00002cfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2CFD | 22100 bytes |
SHA-256: 8acbe81ec1d0547d05198e403dab63b78fe234e37e70cc9d9013db760f2cd992 |
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font_01_sfnt_off00005d70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D70 | 2820 bytes |
SHA-256: 972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714 |
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font_02_sfnt_off00006710.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6710 | 18384 bytes |
SHA-256: b54cebd8b2bbc40deba01da3a93219bb66384243215780ac353a5f98c97c66c1 |
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