PDF malware analysis — malicious · 15d612b427cb4fc7

MALICIOUS

PDF

44.2 KB Created: 2021-06-03 05:41:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 658c3056272c84f7245024b59f33ffdb SHA-1: 142436d36c92215667573e333881d3fcea948f5f SHA-256: 15d612b427cb4fc752067a4ea1dca7d378ce0dd8236f6468425026dbff9cebdd

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a large number of embedded external links, many of which appear to be SEO-optimized for game-related hacks and cheats. The ML classifier strongly indicates maliciousness, and the presence of numerous links to potentially harmful content suggests a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains URLs that are likely part of this lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/coin-master-generator-hack-game-hack
- http://ebook.itn.ac.id/repository/free-robux-just-enter-username_GM431946152.pdf
- http://ebook.itn.ac.id/repository/free-modded-minecraft-server-hosting_GM479516143.pdf
- http://ebook.itn.ac.id/repository/how-do-you-hack-minecraft_GM479516143.pdf
- http://ebook.itn.ac.id/repository/where-tiktok-free-view-iphone-11_GM835599320.pdf
- http://ebook.itn.ac.id/repository/roblox-hacked-version-download_GM431946152.pdf
- http://ebook.itn.ac.id/repository/hackear-juego-coin-master-espaol_GM406889139.pdf
- http://ebook.itn.ac.id/repository/free-coins-on-coin-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/can-lucky-patcher-hack-coin-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/minecraft-free_GM479516143.pdf
- http://ebook.itn.ac.id/repository/minecraft-windows-10-hacked-client_GM479516143.pdf
- http://ebook.itn.ac.id/repository/where-to-get-robux_GM431946152.pdf
- http://ebook.itn.ac.id/repository/robuxglobalcom_GM431946152.pdf
- http://ebook.itn.ac.id/repository/robux-game-com_GM431946152.pdf
- http://ebook.itn.ac.id/repository/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
- http://ebook.itn.ac.id/repository/how-to-get-free-robux-without-verifying_GM431946152.pdf
- http://ebook.itn.ac.id/repository/how-to-hack-roblox-passwords_GM431946152.pdf
- http://ebook.itn.ac.id/repository/wurst-hacked-client_GM479516143.pdf
- http://ebook.itn.ac.id/repository/free-roblox-accounts-that-work_GM431946152.pdf
- http://ebook.itn.ac.id/repository/best-minecraft-hacked-client_GM479516143.pdf
- http://ebook.itn.ac.id/repository/how-to-get-free-robux-without-verification-2021_GM431946152.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_off0000519e.bin` `d8fcdcf300d7d79dd43c3ef99911972fa24962b08d73e186d78adb07687f0546`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x519E	25540 bytes
`font_01_sfnt_off00008bfc.bin` `6dcfc10271f0148f8582e9bf19b97120384b03fd5924e10c938384dc0bfbbfde`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8BFC	17716 bytes

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