PDF malware analysis — malicious · 2e0e1ada8e621465

MALICIOUS

PDF

34.2 KB Created: 2021-06-29 16:35:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 18bf3fb15532d8f2ae62eea6a82fdd3a SHA-1: 810cc8afb554aecdd7381dc4e7a0fdf60bcb484f SHA-256: 2e0e1ada8e621465a3507ee0dbdd9dd461e164cb17833b00cc5db73972ea78e1

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/how-to-hack-roblox-on-pc-game-hack PDF link annotation
- http://kumotor.com.tw/upload/userfiles/files/play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/roblox-minion-game-hacked_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/blogspot-coin-master-spins_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/cupcake-hack-roblox_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/ow-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/minecraft-free-online_GM479516143.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/how-to-hack-roblox-ac-counts_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-hack-online-download_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/heroes-online-roblox_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/free-robux-app-real_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/coin-master-real-free-spins_GM406889139.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/roblox-hack-free-robux-hack_GM431946152.pdfIn PDF document text
- http://kumotor.com.tw/upload/userfiles/files/roblox-free-codes-2021_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_off00002fc7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FC7	22024 bytes
SHA-256: `004d8bb322483d4508b082fdbbe9ace4667ba265786c8ec90c9c46933ad11abd`
`font_01_sfnt_off000060ca.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60CA	18976 bytes
SHA-256: `0e9f98e835ad2f948fe53712d4e6623410df7fd116d4c2334f0fd55c51bf37a4`

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