PDF malware analysis — malicious · e3dc6715ab077cbc

MALICIOUS

PDF

34.3 KB Created: 2021-07-04 18:13:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 5eecd9b487718d9a51f08c922f9e4aea SHA-1: b978520ab638f0b8b3bf4df8c9a065eeeed5e6d0 SHA-256: e3dc6715ab077cbc6606b53ff20bd0785c1ce6e1306072875c2c3fd2db1721b8

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/479516143/minecraft-windows-10-code-free-game-hack PDF link annotation
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/buy-robux-free_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/easy-free-robux-generator_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-hack-a-roblox-account-password-2021_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-free-shirts-on-roblox_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/inappropriate-roblox-games_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-hack-someone-home-in-roblox-high-school_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-unlimited-coin-master-online-tool_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/hack-para-todos-los-juegos-de-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/hacker-avatar-roblox_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/pubg-uc-cheap-price_GM1330123889.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_off0000313e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x313E	22092 bytes
SHA-256: `9e65d15fac69d8999fead7de1143b3a28bce1c2dcfa0466a03504541b50d2ad7`
`font_01_sfnt_off00006199.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6199	18812 bytes
SHA-256: `1d294fe49e7d7055892cb702b89a1ecde4415814741a46be660a19e36be4e54d`

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