MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external sites, including a known malicious redirector at http://netcdn.tw/app/479516143/minecraft-toys-for-free-game-hack, disguised as game hacks and free currency generators. The presence of a fake CAPTCHA heuristic indicates a social engineering tactic to trick users into interacting with the document, likely to trigger the malicious links. While no scripts were extracted, the overall structure and heuristics suggest a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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/minecraft-toys-for-free-game-hack In PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/coin-master-links-for-today_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-spin-coin-master-link-download_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-robux-game-made-by-roblox_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/claim-free-robux_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/static-moonactive-net_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/how-to-earn-robux_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/coin-master-hacks-that-work_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/roblox-destroy-hack_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
- https://mansurabaya-elearning.usmart.id/__statics/gudangsoal/files/free-coinmaster-spins_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_002_off000031b1.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x31B1 | 22772 bytes |
SHA-256: 5104e6578a08f6550fe985334ce56deeceac8b87d923c7d93f8c93ca8da948aa |
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font_01_sfnt_off0000644f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x644F | 18180 bytes |
SHA-256: f81bb2f2fd86575a0e0f0902236f9c8512641ba003de241774aa63060d9f6659 |
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