PDF malware analysis — malicious · e9e14df4929d05a6

MALICIOUS

PDF

35.3 KB Created: 2021-07-07 02:30:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: aca50fd3bda417dfbb662a51b6dff976 SHA-1: 0d96ad8255966109f23a03bdc78b100101078ae0 SHA-256: e9e14df4929d05a6951fd597fdcd6befed743244ed6ba64cccbb467e87a6d45c

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.tw/app/431946152/free-robux-gift-card-game-hack PDF link annotation
- http://studio-dentistico-fiume.com/files/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/roblox-free-script-for-part_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/how-can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/play-coin-master-for-free_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/oprewards-robux-hack_GM431946152.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/jailbreak-roblox-hack-money_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-free-spins-daily-1-ga_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-hack-pc-cheat-engine_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/hack-coin-master-spin_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-hack-online-generator-without-human-verification_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/free-coins-coin-master-ios_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/roblox-anti-cheat-bypass-noclip-pastebin_GM431946152.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_off0000319f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x319F	22780 bytes
SHA-256: `56780b1475892bf78a823b304d42c440a5381af090239f6aab5026541b1c88b2`
`font_01_sfnt_off0000648d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x648D	19112 bytes
SHA-256: `5d60391c622a458b14b8fa69ffb952c1d3cbb56e74fa158a34f16b9612198a82`

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