PDF malware analysis — malicious · 024489772a9894c8

MALICIOUS

PDF

34.0 KB Created: 2021-06-27 04:24:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 68675a16eaaf16839e3ba9ba86f4335b SHA-1: 52c7355aa9f7d214fc019e48a4b49baea11963a8 SHA-256: 024489772a9894c889ffbde345b28509f270786317830bf58fdde4c224e71dfe

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.co/app/431946152/how-to-hack-in-roblox-2021-mac-game-hack PDF link annotation
- https://loba.com.vn/public/upload/files/best-paid-roblox-hacks_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-spin-link_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/watch-ads-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/do-you-want-some-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-free-install_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-shirt-codes-free-shipping_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-group_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-make-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-download-the-game-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-2021-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/bad-minecraft-free_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/robloxcom-free-kkk-k-k-k-k-m_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/earn-free-robux-today_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-master_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-survey_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/download-skin-roblox-free_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_off00002e4d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E4D	21800 bytes
SHA-256: `d002666e347d394066de293b883dc222d35b1a8da71a81410f9e0d9ab3175376`
`font_01_sfnt_off00005e6e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E6E	19416 bytes
SHA-256: `24affa89b873c0f4ddc4908dd0fcad75f4a89fbf56f391d2d4ef4e4ec2002a57`

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