PDF malware analysis — malicious · 1d8d4c7e7fccdc77

MALICIOUS

PDF

34.3 KB Created: 2021-07-05 05:36:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ad376bc3ceae936e02b635004b80764e SHA-1: 7907e17c41af7cd43693d7ad3bf8020cd8cbdaca SHA-256: 1d8d4c7e7fccdc7758eea99c142125edad8248672be7dc55183a50f4ff275eff

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites, many of which are designed to appear as "hacks" or "generators" for popular games like Coin Master and Roblox. The presence of a large number of these links, coupled with the ML classifier's high confidence score, indicates a malicious intent to direct users to potentially harmful sites. The document body itself contains obfuscated text and URLs, reinforcing the lure for game-related exploits.

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.tw/app/406889139/fb-coin-master-hack-game-hack
- http://ebook.itn.ac.id/repository/free-robux-no-hacks-or-inspect_GM431946152.pdf
- http://ebook.itn.ac.id/repository/free-robux-giver-2021_GM431946152.pdf
- http://ebook.itn.ac.id/repository/free-minecraft-videos_GM479516143.pdf
- http://ebook.itn.ac.id/repository/www-roblox-com-robux-free_GM431946152.pdf
- http://ebook.itn.ac.id/repository/free-robux-obby-no-password-link_GM431946152.pdf
- http://ebook.itn.ac.id/repository/how-to-hack-a-roblox-account-to-show-people_GM431946152.pdf
- http://ebook.itn.ac.id/repository/coun-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/coin-master-hack-no-verification-no-signup_GM406889139.pdf
- http://ebook.itn.ac.id/repository/coin-master-free-gold-cards_GM406889139.pdf
- http://ebook.itn.ac.id/repository/free-robux-generator-without-verification_GM431946152.pdf
- http://ebook.itn.ac.id/repository/free-robux-without-downloading-apps_GM431946152.pdf
- http://ebook.itn.ac.id/repository/facebook-coin-master-free-spins_GM406889139.pdf
- http://ebook.itn.ac.id/repository/get-free-spins-on-coin-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/free-robux-discord_GM431946152.pdf
- http://ebook.itn.ac.id/repository/how-to-hack-roblox-accounts-2021_GM431946152.pdf
- http://ebook.itn.ac.id/repository/coin-master-hack_GM406889139.pdf
- http://ebook.itn.ac.id/repository/coin-master-hack-online-generator_GM406889139.pdf
- http://ebook.itn.ac.id/repository/coin-master-homepage_GM406889139.pdf
- http://ebook.itn.ac.id/repository/can-i-download-minecraft-for-free_GM479516143.pdf
- http://ebook.itn.ac.id/repository/coin-master-heaven-free-spins-link-2021-today_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_off000031a5.bin` `29bf8931e726a057853e1dc708bfa37b19e6edd24d127dfe2f04ee79ce573c30`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31A5	22336 bytes
`font_01_sfnt_off0000634e.bin` `264a7275386eb401be2db26fe0c133b87bffad2d8d5dc82ac7ecbbf79c135861`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x634E	18324 bytes

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