PDF malware analysis — malicious · 830dc9f6c3416da6

MALICIOUS

PDF

35.1 KB Created: 2021-06-29 07:34:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2aae58494e0ee0fe2325c9fcd09af373 SHA-1: b4f95053293d178062ffaaf6b7aba52260e1c80b SHA-256: 830dc9f6c3416da6c819a979c23efcb247395773837fd0f4e041cf203af0f124

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a "download button" lure, all related to Roblox hacks and account compromises. The ML classifier and PDF link farm heuristics strongly indicate malicious intent. The document's content and structure suggest it is designed to trick users into downloading a second-stage payload from one of the provided URLs.

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/roblox-hack-account-and-password-game-hack
- http://elib-s2.ubl.ac.id/repository/how-to-hack-a-roblox-account-using-inspect_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/can-u-get-hacked-buying-robux_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/software-for-cheat-engin-66-to-not-make-roblox-carsh_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/free-robux-only-1-step_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/roblox-urbis-money-hack-cheat-engine_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/se-puede-hackear-nighthawk-imperoum-roblox_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/bhs-hack-roblox_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/how-to-give-someone-robux-for-free_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/roblox-hack-2021-free-robux-generator_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/claim-free-robux-com_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/cool-aoutfits-for-free-in-roblox_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/free-robux-no-verification-on-laptop_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/free-robux-no-server_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/assassin-cheat-codes-roblox_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/coin-master-free-coins-and-spins_GM406889139.pdf
- http://elib-s2.ubl.ac.id/repository/free-minecraft-accounts-reddit_GM479516143.pdf
- http://elib-s2.ubl.ac.id/repository/hack-resoure-for-roblox-bgabag_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/new-roblox-exploit-hack_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/easy-way-to-get-free-robux-on-roblox-2021_GM431946152.pdf
- http://elib-s2.ubl.ac.id/repository/free-roblox-high-school-2-promo-codes_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_off00003071.bin` `579c396a748aa611031a6c4968fdb0991e44b7041e7e572a0f4bf04240c1a706`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3071	22556 bytes
`font_01_sfnt_off000062f8.bin` `36031643e8b215ca72815fde8c5b9456308d72f75a47b0b9c4a4539137d5e780`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62F8	19392 bytes

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