PDF malware analysis — malicious · 3831d065af2682c7

MALICIOUS

PDF

43.4 KB Created: 2021-05-15 03:17:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: d2fe537b4ae24a1b70ebc1bb4e8dcdb4 SHA-1: 7d518f8ea664a3c8987882e7ab6c6ad7c393afc4 SHA-256: 3831d065af2682c7b987006056e4eaf1389ed1669ad5b5a06b9672a3073c983e

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 hosted on aevasia.com and appear to be SEO-optimized pages offering hacks or cheats for games. One prominent URL, https://netcdn.xyz/app/406889139/coin-master-hack-apk-game-hack, suggests a direct download for a malicious application. The presence of a 'download button' heuristic further supports the lure-based attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/406889139/coin-master-hack-apk-game-hack
- https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-free-spin-software_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/free-script-executor-roblox_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-hack-using-lucky-patcher_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-apps-2021_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-free-spin-and-trading-group_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/robux-com-roblox_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/reddit-coin-master-hack_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/free-spins-coin-master-links-blogger_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/robux-2021_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-free-spins-2021-apk_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/free-robux-generator-no-verification_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/free-robux-generator-com-roblox-hack_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-offers_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/free-spin-link-coin-master_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/how-to-make-a-roblox-group-for-free_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/roblox-promo-codes-generator-no-human-verification_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/how-to-get-free-cards-on-coin-master_GM406889139.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/how-do-you-earn-robux_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/how-to-get-free-stuff-on-roblox-2021_GM431946152.pdf
- https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-hack-for-android_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_003_off00005029.bin` `fed0fa0dccb8f72ab82f0865a5f255c18ad6817465bccdd88d5c5f6687690503`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5029	24996 bytes
`font_01_sfnt_off000088ab.bin` `f939fda97690d6a809d743b342add8ec97984f5e978608423f32dd39679c4d64`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88AB	17892 bytes

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