PDF malware analysis — malicious · 71f5f9c560423bf0

MALICIOUS

PDF

34.4 KB Created: 2021-06-18 13:01:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 7696dd94e7fc5b0990e1fec4cd13772c SHA-1: c7f8b1fbe98e677413fce4e073fb09a8a2a1f022 SHA-256: 71f5f9c560423bf0be5dc68a95d85165d1401e1ccce07d9d33843452fe26ed4a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains numerous embedded links and a primary URL pointing to a site offering free in-game currency and hacks. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm or SEO poisoning tactic. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though truncated, contains keywords related to free Robux and game hacks, reinforcing the lure.

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/free-robux-command-game-hack
- https://www.mentalhealthnow.co.uk/uploads/files/files/can-i-download-minecraft-for-free_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-roblox-toy-codes-not-used_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/claim-coin-master-free-spins_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-minecraft-skins-xbox-one_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/roblox-e-free_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/how-to-get-free-robux-without-verifying_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/how-to-make-money-on-roblox-for-free_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/hack-coin-master-for-free_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/hack-coin-master-32-mod-apk_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/update-coin-master-free-spins_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-spin-coin-master-game_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/roblox-free-robux-no-human-verification_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/hack-robux_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-minecraft-server-hosting-with-plugins_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/best-roblox-exploits-for-free_GM431946152.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/daily-free-spins-on-coin-master_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/minecraft-free_GM479516143.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/coin-master-website_GM406889139.pdf
- https://www.mentalhealthnow.co.uk/uploads/files/files/free-likes-for-tiktok_GM835599320.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_off0000302e.bin` `ed6a8cfc520c313241558383481d82106dbc31417acc0173eaa00f7bf150b81a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x302E	22084 bytes
`font_01_sfnt_off000060fc.bin` `adf0ba29bbed1ce2f2b0b65473d9241009d5a5ffdf1d294c2c5b3cd922fe27fb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60FC	19152 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.