PDF malware analysis — malicious · 0d469a3b9c770643

MALICIOUS

PDF

47.3 KB Created: 2021-06-08 23:17:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 77bb9c7f5d0482e0b14a56bc12a6a2bb SHA-1: e669794815449d16cbbcd5b54fe6d65102691598 SHA-256: 0d469a3b9c7706434b74ee9b1c3a9dcfca77c7a70f92529a49dc4efc7fece8ce

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacking, specifically for Roblox Jailbreak, to entice users to click on malicious links. The heuristic findings indicate that the PDF contains external URIs and a specific lure for game hacks, directing users to a URL that likely hosts a malicious application or leads to further phishing attempts. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to deliver a second-stage payload or redirect users to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

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 https://netcdn.tw/app/431946152/hacking-app-for-hacking-roblox-jailbreak-game-hack PDF link annotation
- https://balibalotour.com/new/public/ckfinder/userfiles/files/_GM479516143.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/100-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/free-robux-picture_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/coin-master-free-100-spin_GM406889139.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/how-to-get-free-faces-on-roblox_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/roblox-hack-2021_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/minecraft-free-version-pc_GM479516143.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/free-robux-just-enter-username_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/info-roblox-com-robux_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/free-robux-stream_GM431946152.pdfIn PDF document text
- https://balibalotour.com/new/public/ckfinder/userfiles/files/hack-coin-master-game-download_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_off000053f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x53F7	28780 bytes
SHA-256: `69b776af33bf8f7bd06d507301d08c59f4fc6e4b010d0cb938c09df1affb96bb`
`font_01_sfnt_off00009425.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9425	19096 bytes
SHA-256: `fa9cc85292feacd3ceb04eeeea4d6c2ddc81f740d4ed84f8e9df29ad2638e0f0`

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