PDF malware analysis — malicious · d7df3057080f7ee8

MALICIOUS

PDF

34.9 KB Created: 2021-07-05 15:50:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 4ea8b8f65aa2780de7090d5fd1a3c662 SHA-1: 921663b9334ccf9ca9ee74dd7c4d36590ea59b09 SHA-256: d7df3057080f7ee88d645e20c002edc1df747b88ae0fb44e20d2b7ea5360faaf

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-hack-a-roblox-account-easy-game-hack PDF link annotation
- https://www.moledigital.co.uk/uploads/files/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/free-robux-sites-2021_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/roblox-rules_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/coin-master-hack-lost-world-2021_GM406889139.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/roblox-free-robux-by-roblox_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/do-do-you-get-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/free-robux-earn_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/y8-games-free-roblox_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/roblox-free-top-hat_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/coin-master-computer-hack_GM406889139.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/free-coin-and-spin-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/pubg-uc-qiwi_GM1330123889.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
- https://www.moledigital.co.uk/uploads/files/files/roblox-mad-city-hack-money-francais-saison-3_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_off00003078.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3078	22420 bytes
SHA-256: `c239cfbfd2911ed87de348e513a54aa18270423351cad9d07dd0943a89037366`
`font_01_sfnt_off0000627c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x627C	19244 bytes
SHA-256: `4dcbe17bebf2382ad99832b5327dd7065748ff6dacf6eb853322815bf961736f`

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