PDF malware analysis — malicious · e606645e582c967f

MALICIOUS

PDF

37.6 KB Created: 2021-06-22 23:48:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 3d980d106338b3f04dbd9615d9edbc3b SHA-1: 28d76ebabf97d5d298714bd8f0f00c6b1fdf8338 SHA-256: e606645e582c967f95e8b44c66a0064c17fc5008b7523af32143f28202e8433a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous external links, many of which are SEO-optimized and point to pages offering game hacks and cheats. The document body also includes a direct link to a "coin-master-hack" URL, suggesting a lure for potentially unwanted software or malware. The ML classifier strongly flagged this PDF as malicious, reinforcing the suspicious nature of the linked content.

Machine Learning

Nyx PDF Classifier malicious score 0.9886

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 http://netcdn.co/app/406889139/coin-master-hack-pro-gamers-game-hack
- https://www.hearcolors.com.mx/img/blog/files/free-robux-no-human-verification-no-survey_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/tiktok-free-likes-no-verification_GM835599320.pdf
- https://www.hearcolors.com.mx/img/blog/files/coin-master-free-spins-11-01-2021_GM406889139.pdf
- https://www.hearcolors.com.mx/img/blog/files/coin-master-daily-free-spins-link-today_GM406889139.pdf
- https://www.hearcolors.com.mx/img/blog/files/roblox-how-to-cheat-on-tycoon-games_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/cheat-roblox-money-jailbreak_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/coin-master-hack-apk-free-download_GM406889139.pdf
- https://www.hearcolors.com.mx/img/blog/files/how-to-get-free-robux-easy-hack_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/free-coinmaster-spins_GM406889139.pdf
- https://www.hearcolors.com.mx/img/blog/files/free-minecraft-hacks_GM479516143.pdf
- https://www.hearcolors.com.mx/img/blog/files/minecraft-xbox-360-free-download-code_GM479516143.pdf
- https://www.hearcolors.com.mx/img/blog/files/windows-10-minecraft-free-with-java_GM479516143.pdf
- https://www.hearcolors.com.mx/img/blog/files/coin-master-free-coins-link-2021_GM406889139.pdf
- https://www.hearcolors.com.mx/img/blog/files/how-to-get-free-robux-without-email_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/roblox-exploit-download_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/300-daily-free-spins-coin-master_GM406889139.pdf
- https://www.hearcolors.com.mx/img/blog/files/how-to-get-free-teeth-in-sharkbite-roblox-2021_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/how-to-use-hacks-on-any-game-on-roblox_GM431946152.pdf
- https://www.hearcolors.com.mx/img/blog/files/minecraft-free-ios-2021_GM479516143.pdf
- https://www.hearcolors.com.mx/img/blog/files/minecraft-world-free-download_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000032a2.bin` `338af7780c03e25fa29de677790122c82685416986178e8bf4c00dcd1c1a69d6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32A2	22848 bytes
`font_01_sfnt_off000065eb.bin` `c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65EB	2896 bytes
`font_02_sfnt_off00006fd0.bin` `42eb204123647df6f85ca188dd99f1d84b9bafa3d0fb5c7709fcc50fb0944608`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FD0	18416 bytes

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