PDF malware analysis — malicious · 6f0827ee073914ed

MALICIOUS

PDF

45.3 KB Created: 2021-06-02 05:49:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: cc21e5e112111c7461986417540b0fe6 SHA-1: d443ae0481386f3fc92e23111e2d87287bb444ac SHA-256: 6f0827ee073914ed88d2223a7e9350129f11fda955a85b226bf1e8355c73e02c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous external links, many of which are SEO-optimized and point to game-related content, suggesting a link farm designed to attract users. The ML classifier and PDF heuristics indicate malicious intent, likely to redirect users to malicious sites or download further payloads. The document body, though heavily obfuscated, contains references to game hacks and a URL that aligns with this lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/minecraft-windows-10-hacks-game-hack
- https://www.mentalhealthnow.co.uk/uploads/files/files/hacks-and-cheats-for-coin-master_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/classic-minecraft-net-hacks_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-hack-apk-april-12-2021_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-viking-quest-hack_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-coin-master-spins-2021_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-free-spins-link-march-2021_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-spins-for-coin-master-without-human-verification_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/best-free-minecraft-servers_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/minecraft-texture-packs-free-download_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-coin-master-spins-blog_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/minecraft-for-free-games_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-free-spins-link-facebook-page_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/robux-free-co_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/daily-coin-master-free_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-spins-for-free_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-likes-for-tiktok_GM835599320.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-headless-head-roblox_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-hack-tool-download_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-daily-free-spins-link-today_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000052dc.bin` `d928a239ddf8094331c0300213088b9dfc6ebf40b46c754e04103c3a1f765076`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x52DC	25396 bytes
`font_01_sfnt_off00008d66.bin` `14f86b407040f424958936cb2b2b49b26067a8980bd50a77917f0563cc1bff87`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D66	18696 bytes

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