PDF malware analysis — malicious · feb0e942a0078333

MALICIOUS

PDF

34.5 KB Created: 2021-06-30 02:08:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f207332b2c7162c1ae933e8acc32e0cf SHA-1: 8bae8ea9bd330f1b443ccdda3a931c0c4dad5f0e SHA-256: feb0e942a0078333e67ecc9a4215332f1ed519bd110b3031899a54459afaca1f

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded links, many of which are presented as download opportunities for game hacks and cheats. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm designed to attract users with deceptive content. The ML classifier also flagged this PDF as malicious with high confidence.

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/hack-ro-ghoul-roblox-game-hack
- http://lib.kunci.or.id/repository/free-robux-safe_GM431946152.pdf
- http://lib.kunci.or.id/repository/roblox-jailbreak-hack-2021_GM431946152.pdf
- http://lib.kunci.or.id/repository/coin-master-spin-free_GM406889139.pdf
- http://lib.kunci.or.id/repository/how-to-make-roblox-hack-scripts_GM431946152.pdf
- http://lib.kunci.or.id/repository/how-do-you-hack-on-roblox-mad-paintball_GM431946152.pdf
- http://lib.kunci.or.id/repository/how-to-get-minecraft-for-free_GM479516143.pdf
- http://lib.kunci.or.id/repository/how-to-hack-other-peoples-accounts-on-roblox_GM431946152.pdf
- http://lib.kunci.or.id/repository/free-robux-generator-no-human-verification-2021_GM431946152.pdf
- http://lib.kunci.or.id/repository/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdf
- http://lib.kunci.or.id/repository/how-to-hack-coin-master-without-root_GM406889139.pdf
- http://lib.kunci.or.id/repository/free-coin-master-cards_GM406889139.pdf
- http://lib.kunci.or.id/repository/get-free-roblox-accounts_GM431946152.pdf
- http://lib.kunci.or.id/repository/hack-for-project-sepra-roblox_GM431946152.pdf
- http://lib.kunci.or.id/repository/free-999m-robux_GM431946152.pdf
- http://lib.kunci.or.id/repository/master-coin-hack-game_GM406889139.pdf
- http://lib.kunci.or.id/repository/how-to-get-free-robux-on-windows_GM431946152.pdf
- http://lib.kunci.or.id/repository/minecraft-bedrock-edition-download-pc-free_GM479516143.pdf
- http://lib.kunci.or.id/repository/hacking-roblox-accounts-real-way-2021-v3rmillion_GM431946152.pdf
- http://lib.kunci.or.id/repository/hack-para-las-contraseas-de-roblox_GM431946152.pdf
- http://lib.kunci.or.id/repository/all-players-in-roblox-passwords-password-hack_GM431946152.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_off000031cd.bin` `1353da697a85be4b55c3b5d3142222d56202b826217e284e2bf02c0372bd9110`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31CD	21928 bytes
`font_01_sfnt_off000061f9.bin` `8f002f34b2a0057f0739ba60862722920a1ec51f42aee018f32c2bccb4bb5f30`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61F9	18964 bytes

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