MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by an ML classifier. It uses brand-impersonation credential phishing. 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 0.9013
Heuristics 6
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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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/431946152/free-robux-no-verification-at-all-game-hack.
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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/431946152/free-robux-no-verification-at-all-game-hack PDF link annotation
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/robux-only_GM431946152.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/http-appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/coin-master-hack-spins-android_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/coin-master-gold-cards-hack_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/coin-master-free-spins--coins-2021_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/noob-vs-pro-vs-hacker-vs-god-minecraft_GM479516143.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/coin-master-free-spins-ios-2021_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/free-robux-mobile_GM431946152.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/coin-master-daily-spin-link-app_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/what-is-coin-master-app_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/toolbox-for-mcpe_GM479516143.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/bux-free-robux_GM431946152.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/microsoft-bing-robux_GM431946152.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://elearning.mtsmatholiulhudabugel.com/__statics/gudangsoal/files/roblox-hack-ga_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 |
|---|---|---|---|
stream_003_off00004a6f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4A6F | 28748 bytes |
SHA-256: 39ecec6b70b36d77b3be45465469a9a6d07c53565baf17e26c12e89fa28a68e3 |
|||
font_01_sfnt_off00008ae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AE1 | 5696 bytes |
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139 |
|||
font_02_sfnt_off000097f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97F2 | 18676 bytes |
SHA-256: a2274236a7a2e18adabb7b86c58cf77696514c901240e043c32ff4f0260e6091 |
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