PDF malware analysis — malicious · 48eb17d0013d5304

MALICIOUS

PDF

34.1 KB Created: 2021-06-22 09:37:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 4de8ae4eba35162a1a50dc9521bec8ae SHA-1: 736760d89efe52b63a0a6dde44fa606f95c9d640 SHA-256: 48eb17d0013d53046f37be3304eec82e9731c6a81934e694c377c770ba247a2e

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/406889139/master-free-spins-and-coins-game-hack PDF link annotation
- https://limebug.com/media/storage/editor/files/coin-master-free-spins-link-31-march-2021_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/earn-robux-today-earn-robux-today_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-obey-roblox_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free-spin-daily-bonus_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-admin-gui-hack_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/get-free-robux-gg_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/robux-gift-card-free_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free-spins-link-blogspot-april-2021_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-apk-hack-mod-download_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-roblox-cards-pin-number_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/how-to-get-wall-hacks-on-roblox_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-hack-site_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-free-coins-and-spins-hack_GM406889139.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/free-roblox-clothes-codes-2021_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-dragon-ball-rage-hack-script-pastebin-2021_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/roblox-games-free_GM431946152.pdfIn PDF document text
- https://limebug.com/media/storage/editor/files/coin-master-mod-apk-unlimited-spin-download-free-full-version_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
`font_00_sfnt_off0000300a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x300A	22700 bytes
SHA-256: `ba370f8a76a8f0c64b8b82e9e0c3b2cda38753d726056ac0f46759a67946e1ca`
`font_01_sfnt_off0000625e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x625E	18348 bytes
SHA-256: `5321b7127370ebf6f6dfbf643ed4bfa6daf0fc81f1b3cb36fd08dfd1331f5ac7`

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