PDF malware analysis — malicious · 14501b74dfcc79b5

MALICIOUS

PDF

35.6 KB Created: 2021-07-03 20:22:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: f4e68fb59c3f6654b00b221423145107 SHA-1: f7cab2d2966cfc20ce4d3f5ea877ca40403328d1 SHA-256: 14501b74dfcc79b562177d9ea5ac18bcd1b0a2c200cc357e90ae6de2ea704ded

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/835599320/free-followers-on-tiktok-no-verification-game-hack PDF link annotation
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/grayphiny-free-robux_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/script-hack-roblox-phantom-forces_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/x-ray-for-roblox-for-hacks_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/how-to-get-back-a-hacked-accout-back-in-roblox_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/near-tiktok-free-view_GM835599320.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/roblox-account-login-hack_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/roblox-dayz-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-robux-forumcom_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/how-to-win-free-robux_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/how-to-hack-a-account-in-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/do-coin-master-hacks-work_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-roblox-injector_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-robux-codes-on-tablet-2021_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-roblox-accounts-nbc_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/groups-that-give-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/how-to-get-minecraft-pe-for-free-ios_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_off000035e0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x35E0	22600 bytes
SHA-256: `32b5df1256cc39b672b465899895b6180c73307c06315bc0d072833ce40f4cf5`
`font_01_sfnt_off00006839.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6839	18344 bytes
SHA-256: `2b94820a9d8824e68afbcceab3cc2a0f1dbbd9a915f965ec79a372a6b5f550a6`

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