PDF malware analysis — malicious · be240ed96090463f

MALICIOUS

PDF

35.4 KB Created: 2021-07-04 02:11:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 32915935d3c0d65948c90b6069734ea9 SHA-1: 123717bbb38ada49743141039e475ae7c3fe48d5 SHA-256: be240ed96090463fbf577c2eafa3e9996e0f03f27870d0cedae8fc0a284584ad

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/431946152/how-to-get-free-robux-game-hack PDF link annotation
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/minecraft-bedrock-server-hosting-free_GM479516143.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/como-recuperar-una-cuenta-hackeada-de-roblox_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/free-robux-hack-no-password_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/hacked-roblox-servers_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/inf-jump-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/minecraft-hacks-xbox_GM479516143.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/pastebin-com-robux-hack_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/2021999-free-robux_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/hacking-into-a-roblox-playler-account-2021_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/free-robux-cards_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/robux-free-2021_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/hot-to-get-free-robux-2021-may_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/hack-roblox-speed_GM431946152.pdfIn PDF document text
- http://www.vaytechceramic.com/uploaded_files/userfiles/files/hack-coin-master-nyc_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_off000034f9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34F9	21936 bytes
SHA-256: `9aae5ab045674a69ee61cd875f68e2d85800fe6eb9693afae2427772459971bc`
`font_01_sfnt_off0000657e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x657E	18984 bytes
SHA-256: `b02f235e187ca63825268846ce24859b9c73d6f06522f0e44481555b58ecada8`

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