PDF malware analysis — malicious · a20b1a7b1d250b15

MALICIOUS

PDF

34.1 KB Created: 2021-06-19 20:38:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 3cca1beaeb4cd29f4b8a5271fc67b8cc SHA-1: 6d9d65cc4d9f3a413367c7b22d44c77a5e88742b SHA-256: a20b1a7b1d250b158f48ae6a5c44e0cc6d9fcbdeedbc221534c76d81f3735251

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to obtaining game hacks or generators, specifically mentioning Minecraft. It includes a high-risk redirector URL that is likely used to deliver a malicious payload. The ML classifier also flagged this PDF as malicious with high confidence.

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/479516143/how-to-get-minecraft-for-free-on-mac-game-hack PDF link annotation
- https://www.hearcolors.com.mx/img/blog/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-hack-online-no-human-verification_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/free-robux-com_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-free-coins-and-spins-today_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/roblox-robux_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/free-robux-pastebin_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/twitter-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/robux-free-co_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/trince3d-robux-hack-pastebin_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/minecraft-marketplace-free_GM479516143.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/roblox-hacking-website_GM431946152.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- https://www.hearcolors.com.mx/img/blog/files/how-you-get-free-robux_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_off00003165.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3165	22284 bytes
SHA-256: `cc60cdd8c391c76af106032e71fba3fa76f05312e6f77a1d1ee7b984e1b9d301`
`font_01_sfnt_off000062e6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62E6	18164 bytes
SHA-256: `c92c54375cfc09bba30268a56a1496ac876777d0f1d8f409b9898aa174c18f72`

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