PDF malware analysis — malicious · 14e42be54d5130aa

MALICIOUS

PDF

34.9 KB Created: 2021-06-30 15:06:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 5a48945afaf467de5ab64586a0c0fa31 SHA-1: 4556f434d5b3de9c638af22a0c64456dd4b24da6 SHA-256: 14e42be54d5130aa2045ff9508aeb3f358caf79600af73817ab73c9f2ed20bf3

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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/robuxy-com-free-robux-game-hack PDF link annotation
- https://www.advancissurgical.com/uploads/files/files/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-hack-roblox-accounts-2021-november_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/minecraft-pe-server-hosting-free_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-use-cheat-engine-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/comment-hacke-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-skin-snake-free_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/robux-hack-sin-descargar-nada_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/cheate-pour-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-2021-hack_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/hack-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-likes-for-tiktok_GM835599320.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/can-you-get-cuaght-for-hacking-in-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-studio-free_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/robux-hack-me_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-50-spin-link_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-hack-com_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000031f6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31F6	22152 bytes
SHA-256: `b1504126721a203a2f5d18be15dae79c7d482301e3674f8db56957c3d19d38d5`
`font_01_sfnt_off0000631d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x631D	19156 bytes
SHA-256: `b91dd01bf7aa8d90f2367b3a0684131ce65c63b3af9073ea9819d735ead4d135`

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