PDF malware analysis — malicious · 5199bf7fec80bacf

MALICIOUS

PDF

42.3 KB Created: 2021-05-16 00:04:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5b928ceecb42f84c62944bc147932472 SHA-1: 6a27e0fb602b8c461c7dde7171bf7ab03fce60f6 SHA-256: 5199bf7fec80bacfd9be3bab92ebd750be027e1b305cb2bb4a84dccfd90dcd7e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains embedded URLs and a lure related to game hacks and cheats, suggesting an attempt to trick users into downloading malicious content. The presence of a 'password-protected archive handoff' heuristic indicates that the document may be designed to conceal a payload that requires further interaction or decryption after initial download. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/431946152/rape-simulator-game-hack
- https://htdvn.com/public/upload/files/free-shirt-templates-roblox_GM431946152.pdf
- https://htdvn.com/public/upload/files/hacker-coin-master_GM406889139.pdf
- https://htdvn.com/public/upload/files/how-to-make-free-robux_GM431946152.pdf
- https://htdvn.com/public/upload/files/get-free-spins-coin-master-link_GM406889139.pdf
- https://htdvn.com/public/upload/files/free-spin-coin-master-2021_GM406889139.pdf
- https://htdvn.com/public/upload/files/free-robux-generator-without-human-verification_GM431946152.pdf
- https://htdvn.com/public/upload/files/get-minecraft-windows-10-free_GM479516143.pdf
- https://htdvn.com/public/upload/files/how-to-get-free-robux-without-doing-anything_GM431946152.pdf
- https://htdvn.com/public/upload/files/free-coins-coin-master-link_GM406889139.pdf
- https://htdvn.com/public/upload/files/wurst_GM479516143.pdf
- https://htdvn.com/public/upload/files/coin-master-spin-blogspot_GM406889139.pdf
- https://htdvn.com/public/upload/files/roblox-free-followers_GM431946152.pdf
- https://htdvn.com/public/upload/files/coin-master-free-spins-and-coins-for-today_GM406889139.pdf
- https://htdvn.com/public/upload/files/minecraft-hack-download_GM479516143.pdf
- https://htdvn.com/public/upload/files/coin-master-level-3_GM406889139.pdf
- https://htdvn.com/public/upload/files/coin-master-daily-free-spins-blog_GM406889139.pdf
- https://htdvn.com/public/upload/files/www-coin-master-hack-tk_GM406889139.pdf
- https://htdvn.com/public/upload/files/coin-master-hack-trick-2021_GM406889139.pdf
- https://htdvn.com/public/upload/files/hack-the-game-coin-master_GM406889139.pdf
- https://htdvn.com/public/upload/files/how-to-send-free-spins-on-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_off00004b1f.bin` `0df26e38284fbf5dada7073aab46a9685b5911845edbb534e4678b83b50c2c50`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4B1F	24504 bytes
`font_01_sfnt_off000082ae.bin` `b480e4b898178c1e4e39aef83c0e1788f84f3d88de6057dcc401cfae57224147`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82AE	18444 bytes

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