PDF malware analysis — malicious · 59dbfa21509bca35

MALICIOUS

PDF

34.6 KB Created: 2021-07-08 23:18:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 64eb798e9626ffab8ad6f5cf8c3a4f6e SHA-1: c0701abfabd40afd56c809aa3ddc2b553b9b121b SHA-256: 59dbfa21509bca35d59036f8612e1e0e4dfb7923257d440db8e16af1890e22b0

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/tiktok-free-britney-game-hack PDF link annotation
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/minecraft-java-server-hosting-free_GM479516143.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/free-daily-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/hack-for-roblox-bee-swan_GM431946152.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/free-coin-master-androd-cheats-2021_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/c00lkidd-roblox-hack_GM431946152.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/free-roblox-hack_GM431946152.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/free-minecraft-domain_GM479516143.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/roblox-free-download-for-chromebook_GM431946152.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/how-to-get-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/coin-master-free-spin-no-offers_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/how-to-get-free-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/woman-roblox_GM431946152.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/real-coin-master-hack_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/coin-master-mod-free-download_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/freer-tiktok_GM835599320.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/earn-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://promidiapropaganda.com.br/modules/default/fotos/uploads/files/free-robux-microsoft_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_off000032c7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32C7	22456 bytes
SHA-256: `0a393b14101215e8dbb732b28791f5cf7de1eb627d55a95f5b56c075d3f2307a`
`font_01_sfnt_off00006469.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6469	18368 bytes
SHA-256: `1d8062cdc6ef8b1befbbd341608262d2e5499e5d860c19ad6560f2271a200d91`

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