PDF malware analysis — malicious · 665fb7c692e2c101

MALICIOUS

PDF

35.7 KB Created: 2021-06-29 05:35:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 62e51e39870e651719511d7cb56e284c SHA-1: fa8b485714f8cc505584b3e7dd1c216ff485d8a6 SHA-256: 665fb7c692e2c1017f6fed1f3854e8eb081ca593f52f9e44f77aadbfa60abae8

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.co/app/431946152/roblox-hack-menu-download-2021-game-hack PDF link annotation
- http://elearningman2jember.com/__statics/gudangsoal/files/assasin-roblox-sccript-hacks_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/best-roblox-free-hacks-exploits_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/minecraft-for-free-games_GM479516143.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/how-to-make-a-group-on-roblox-for-free_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/hacks-for-coin-master_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/how-to-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/good-hacker-names-for-roblox_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-robux-hack-no-password_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/roblox-hack-2021-admin-commands_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/hack-master-coin-pc_GM406889139.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/blox-world-free-robux_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/oprewards-login_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
- https://elearningman2jember.com/__statics/gudangsoal/files/pastebin-roblox-hack_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/how-to-make-your-own-game-with-free-robux-2021_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/roblox-dll-hacks-download_GM431946152.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/tiktok-likes-for-free_GM835599320.pdfIn PDF document text
- http://elearningman2jember.com/__statics/gudangsoal/files/free-robux-com_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_off00003254.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3254	22332 bytes
SHA-256: `52f75cccbbe7362a9abd8afbca23faef75eee1fcda8aded6cd0fc681befb5cc7`
`font_01_sfnt_off000063df.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63DF	19900 bytes
SHA-256: `b29eac4ad09807f144dd6ba687b291f78f804ce378d070c03df6bc246f1a3659`

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