PDF malware analysis — malicious · dae7641b7c99c525

MALICIOUS

PDF

42.3 KB Created: 2021-05-16 03:05:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f08a497e8536f41dbc47b0f14628897a SHA-1: e38cce945021fb710bf72730b2313a361b329ee0 SHA-256: dae7641b7c99c5255bc9df029192c5ace620e7d593a116fb2361ee104ab902ed

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, including a primary link to 'coin-master-free-pet-food-game-hack' and a link farm of 28 other PDF files hosted on hagleygolfclub.com. The document body, though heavily obfuscated, contains references to 'Coin Master Free Pet Food' and the primary malicious URL. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it being used for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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-free-pet-food-game-hack
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/free-robux-no-survey_GM431946152.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-free-spins-hack-without-human-verification_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/free-robux-real-working_GM431946152.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/freespinandcoinblogspot-com-2021-11-coinmasterfreespins_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/can-you-get-free-robux-on-roblox_GM431946152.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/how-to-get-free-robux-easy_GM431946152.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-hack-blogspot_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/how-to-get-free-coins-in-coin-master_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-hacks-and-cheats_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-free-cards-hack_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-free-spins-coins_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-hack-version-download-2021-android_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/free-spins-coin-master_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/how-to-get-minecraft-bedrock-edition-on-pc-for-free_GM479516143.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/free-rare-cards-for-coin-master_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-free-spins-link-download_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/free-links-coin-master_GM406889139.pdf
- https://www.hagleygolfclub.com/admin/ckfinder/userfiles/files/coin-master-free-cards-link-2021_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_off00004bfb.bin` `12a7b4fc0ee540bbacaf4c5da81f3563411fca789ece45d8b8d4789f3c2f796b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BFB	24780 bytes
`font_01_sfnt_off000083df.bin` `57882ca624af1aab65dc2e64a91733110e719374d4be279dd56b8aa20dd50975`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83DF	18040 bytes

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