PDF malware analysis — malicious · 27f260b4e057b971

MALICIOUS

PDF

35.5 KB Created: 2021-06-20 02:38:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: d6626924b3b1b25c878c06168b586705 SHA-1: b650227575139378b7c62a973c32ce0ed36c3284 SHA-256: 27f260b4e057b971dc5fac563d51dbc767233b2a0b2785afec32cf05853a3538

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links to external websites, many of which are structured as SEO-optimized PDF links, suggesting a link farm. The document body and extracted URLs focus on game cheats and free in-game currency, indicating a lure for users interested in such topics. The presence of a 'download button' heuristic further supports the idea that the document is designed to trick users into downloading malicious content or visiting phishing sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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/431946152/comment-avoir-un-speed-hack-et-des-roblox-game-hack
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/can-you-give-me-free-robux_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-robux-codes-that-are-not-used_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/what-is-coin-master-app_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/coin-master-game-free-spin_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-tiktok-views_GM835599320.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/infinite-robux_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-robux-without-human-verification-on-phone_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/coin-master-hacking-news_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/coin-master-free-2021-spin-link_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-robux-generator-no-download-no-verification-2021_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/minecraft-windows-10-free-with-java_GM479516143.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/how-to-earn-robux-fast_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/roblox-land-free-robux_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/roblox-hack-client_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/coin-master-unlimited-free-spins-link-2021_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/coin-master-free-spin-codes_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/roblox-fun-com-free-robux_GM431946152.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/coin-master-free-spin-software_GM406889139.pdf
- https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-pet-food-coin-master_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000031a3.bin` `ecfa4cefc95535989304c7694a8e016eca0b9bb663b162e3e8f4c7f0f980f5e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31A3	22492 bytes
`font_01_sfnt_off000063a2.bin` `e0960301b2083663fb765b7ca3959467cf1ad80894dac3a7554261f411e1c23f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63A2	19772 bytes

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