PDF malware analysis — malicious · ac7541f8c471c301

MALICIOUS

PDF

47.1 KB Created: 2021-05-14 10:14:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 5ffa9134c40aa83106f2ff47fde18254 SHA-1: 858f186cd5d74885b346958713995cd6ff0e7210 SHA-256: ac7541f8c471c301f1aaca04987e3f3a39c621382d5f0ff280711de9be7707a8

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to downloading free game hacks, specifically for Minecraft and Roblox. It contains numerous links to external websites, many of which are also PDFs, likely serving as download pages or redirectors for malicious content. The ML classifier also flagged this PDF as malicious, indicating a high probability of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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.xyz/app/479516143/how-to-download-minecraft-java-edition-for-free-game-hack PDF link annotation
- https://milagrosjogja.com/ckfinder/userfiles/files/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/earn-roblox_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/como-hackear-coin-master-sin-verificacion-humana_GM406889139.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/coin-master-free-spin-and-coin-link-today_GM406889139.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/best-roblox-hacks_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/robloxhacks_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/coin-master-apk-hack-3527_GM406889139.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/coins-master-hack_GM406889139.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/coin-master-apk-mod-free-download_GM406889139.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/how-to-get-robux-on-phone_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/roblox-free-hats_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/www-free-robux_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/roblox-hack-download_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/a-lot-of-robux_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/free-spins-coin-master-links-twitter_GM406889139.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/how-to-get-more-spins-on-coin-master-for-free_GM406889139.pdfIn PDF document text
- https://milagrosjogja.com/ckfinder/userfiles/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a82.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A82	28716 bytes
SHA-256: `915c1914f2cb11010ecfc07249c8b0a9c5a877273dde355e3b070d209f13ff19`
`font_01_sfnt_off00008b33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B33	2840 bytes
SHA-256: `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`
`font_02_sfnt_off000094e4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94E4	18572 bytes
SHA-256: `372950b09ae56ccdc45362242de33d197b063ee091c9df90a0e91acdbb6b8628`

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