PDF malware analysis — malicious · 7436585fc1346d40

MALICIOUS

PDF

34.9 KB Created: 2021-07-04 08:07:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: b07e93bf7d3ac7873419c7f755637ce5 SHA-1: 113131c969fd097ecae86a40da1123ebefc3e69e SHA-256: 7436585fc1346d40ec3dd1c481dff2a6b8b565cc7270229727acefcf60e91022

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links and lures related to game hacks and free in-game currency, specifically mentioning Coin Master and Roblox. The primary link, http://netcdn.tw/app/406889139/coin-master-daily-free-spins-blog-game-hack, is flagged as a redirector and likely leads to a malicious site. The document's structure and content strongly suggest a phishing or scam attempt designed to trick users into visiting potentially harmful URLs.

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/406889139/coin-master-daily-free-spins-blog-game-hack PDF link annotation
- https://www.vizyonproduction.com/application/uploads/assets/files/cheat-roblox-2021-la-dernire-mise--jour_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/easy-way-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-free-spins-through-coin-pop_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/best-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/roblox-gang_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/hacks-for-roblox-prison-life_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/hack-skin-roblox-free_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-today_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-robux-not-a-hack_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-more-robux-using-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-no-human-verification-survey_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/roblox-hacks-com_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/pubg-uc-download_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_off000030b2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30B2	23004 bytes
SHA-256: `7df15bcc2533780adff7bf6eb5a3df87b08069e5f1ffd11db024294a3bd95d69`
`font_01_sfnt_off00006452.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6452	18812 bytes
SHA-256: `754165e748b1939f240fb960abb57fbe544f87d1813c38e81129662f3dc27bc1`

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