PDF malware analysis — malicious · ddf10f20c8d2c3bd

MALICIOUS

PDF

45.0 KB Created: 2021-06-01 02:37:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c45ae150fdabb7603c68ac6448164c7d SHA-1: 329899733517ad7f13bd38cbc20a1d08c2ff819c SHA-256: ddf10f20c8d2c3bdb4a07664aa57cae30b63b5656e9eee453242532b4e59560d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a fake CAPTCHA and a call-to-action to trick users into clicking a link for 'free Robux'. The embedded URL, https://netcdn.xyz/app/431946152/robloxwin-com-get-free-robux-game-hack, likely leads to a malicious download or phishing page. No scripts were extracted, but the PDF structure and heuristics strongly indicate a social engineering attempt to deliver a payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 4

Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA

Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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/431946152/robloxwin-com-get-free-robux-game-hack
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/free-roblox-really-small-head_GM431946152.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-link-2021-today_GM406889139.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/minecraft-windows-10-free_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/minecraft-windows-10-edition-unlock-full-game-free_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/free-robux-group_GM431946152.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-with-promo-codes_GM431946152.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/coin-master-free-spin-codes_GM406889139.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/hacking-things-to-hack-roblox-gamemodes_GM431946152.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/free-robux-codes-not-used-2021_GM431946152.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/coin-master-free-blogspot_GM406889139.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/roblox-password-hacker-online_GM431946152.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/free-minecraft-codes_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/free-online-minecraft-server_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/tiktok-likes-for-free_GM835599320.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/minecraft-ps4-free_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/minecraft-free-download-unblocked_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-verifying_GM431946152.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/minecraft-hacks-wurst_GM479516143.pdf
- https://porownywarkaleasingowa.pl/wp-content/uploads/fsqm-files/free-robux-generator-for-kids_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000533c.bin` `7fb983712403544898838d39a100bb247bad65ea0bf2227e1d8df75eb766d861`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x533C	24924 bytes
`font_01_sfnt_off00008c2f.bin` `749724892a2766be17237cc957df1ca0a7402164c21d330866a58a4f020ec23f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C2F	18736 bytes

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