PDF malware analysis — malicious · 2490ead31a43a870

MALICIOUS

PDF

34.7 KB Created: 2021-07-09 20:20:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 041f50a3802bf306d2f361fdcba45b38 SHA-1: 187b59ba139580ecdd611712d781041229bae802 SHA-256: 2490ead31a43a870335b3446e9f729974ca76abbcd6c9c8bfda5d3b83ba0d1da

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file 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 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF'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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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-coins-link-2021-deutsch-game-hack PDF link annotation
- https://www.man2samarinda.com/__statics/gudangsoal/files/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/roblox-how-to-hack-robots-with-cheat-engine-64_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-coins-and-spins-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-roblox-website_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/robux-com-free_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/como-hackear-el-juego-coin-master_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/robux-come_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/roblox-cheat-codes_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/roblox-money-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/roblox-c9m_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/roblox-hack-me_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/easy-no-survey-free-robux_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-spins-on-coin-master-generator_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/zombie-strike-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-robux-obby-no-password-link_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/roblox-hack-apk_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/how-to-hack-roblox-to-get-free-robux_GM431946152.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_off00002fe8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FE8	22664 bytes
SHA-256: `538d8284054a3520ae1a2d999bd1dfe46b349a5e8f91aea3ba4f5f302ae0c80b`
`font_01_sfnt_off000062cd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62CD	19044 bytes
SHA-256: `2844f756ddbcc4a04a8e584fba3bd9ee643c4403cf9fe90d32670bab9c0c39f1`

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