PDF malware analysis — malicious · 91bbd25b568dda7a

MALICIOUS

PDF

35.0 KB Created: 2021-07-05 15:35:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5b79a3ef56eadd5ae3cf6e1ba0dc1f1e SHA-1: c84e6d4b3d450306f99c31d1b9dba5d904d17da8 SHA-256: 91bbd25b568dda7a5455977308a7560f102750201c92545d671d616985b13dd8

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a document body that explicitly mentions game hacks and exploits, aiming to trick users into downloading malicious content. The presence of a download button lure and password protection instructions further supports a malicious intent to deliver a payload. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/431946152/roblox-hacked-accounts-list-game-hack
- https://library.itn.ac.id/perpusitn/repository/free-spins-for-coin-master-game_GM406889139.pdf
- https://library.itn.ac.id/perpusitn/repository/download-minecraft-java-edition-free_GM479516143.pdf
- https://library.itn.ac.id/perpusitn/repository/coin-master-free-spins-blogspot_GM406889139.pdf
- https://library.itn.ac.id/perpusitn/repository/free-robux-games-that-actually-work-2021_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/err-face-roblox-free_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/roblox-hack_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/how-to-hack-into-accounts-in-roblox-2021_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/free-minecraft-wallpaper_GM479516143.pdf
- https://library.itn.ac.id/perpusitn/repository/arsenal-hacks-roblox_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/how-to-make-free-robux-2021_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/roblox-pastebin-hack_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/roblox-apocalypse-rising-god-mode-hack_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/roblox-hack-crazy_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/roblox-bulbul-hack_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/omega-roblox-hack_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/roblox-jailbreak-cheat-engine-money-hack_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/how-to-get-free-robux-no-password-on-ipad_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/free-robux-that-actually-works-2021_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/roblox-com-www_GM431946152.pdf
- https://library.itn.ac.id/perpusitn/repository/free-roblox-code-items_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_off000031db.bin` `7e45f2f171c34791afd00e4ed9386999849f6c7643c5e02f121f83ee8f2898dc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31DB	22320 bytes
`font_01_sfnt_off00006362.bin` `2354f61238ce38ceaa6bb2dc8bd62f8c720a6367dd27d5b4fd20c885c9a0b347`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6362	19196 bytes

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