PDF malware analysis — malicious · dd885df31b5cdb0d

MALICIOUS

PDF

34.6 KB Created: 2021-06-30 17:37:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 5648657186a3264de144a496fad0f8af SHA-1: 80a30f482020252c40e7a9f3e4a7054b6d84b613 SHA-256: dd885df31b5cdb0d92c88bdcc8a61785483d96eb18a62770979a3997e475ad94

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/free-roblox-costumes-game-hack PDF link annotation
- http://www.sourcology.com/uploaded_files/userfiles/files/roblox-hack-game_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/free-robux-generator-com-hack_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/how-to-make-a-free-robux-website_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/roblox-com-hack_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/robuxzone-wordpress-com-free-robux_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-hack-coins_GM406889139.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/what-games-give-you-robux_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/freerubux_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/how-to-download-synapse-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/roblox-free-login_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-100-spin-slot_GM406889139.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/roblox-cheat_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/how-to-get-robux-for-free-simpl-steps_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/take-a-quize-for-free-robux-gift-card_GM431946152.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/coin-master-free-download-for-pc_GM406889139.pdfIn PDF document text
- http://www.sourcology.com/uploaded_files/userfiles/files/free-robux-in-roblox-no-human-verification_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_off00002f67.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F67	22524 bytes
SHA-256: `082ce48d275f702adc904ae8a4a720675a3854143a2216358078061fa5967687`
`font_01_sfnt_off000061ef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61EF	19152 bytes
SHA-256: `1210ac42192f2bd5748144c8b37e4ccac9623bd316ce030b67f307a305b93719`

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