PDF malware analysis — malicious · e08ab7adbde6a5fc

MALICIOUS

PDF

35.4 KB Created: 2021-07-07 21:22:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: f20babef4c046bca0aa9465b7160e6e7 SHA-1: 1aa2e076b59bf546e5f221a0df19cc28f7b72bee SHA-256: e08ab7adbde6a5fc45db392dc7a98546dac0af17cd10203a815e792354721622

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/how-to-get-free-robux-on-iphone-game-hack PDF link annotation
- https://www.thekukkad.com/uploaded_files/userfiles/files/el-mejor-video-de-hack-robux_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/how-to-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/roblox-its-raining-men-hack_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/pastebin-hack-for-roblox_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/daniel-refu10-free-gift-card-roblox_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/free-robux-inspect-pastebin_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/mcpe-master-hack-coins_GM406889139.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/roblox-skywars-free-mega-vip_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/reborn-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/best-roblox-hack-sites_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/roblox-hack-999999-robux-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/coin-master-unlimited-spin-link_GM406889139.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/best-free-thumbnail-maker-for-roblox_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/free-robux-inventory_GM431946152.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/coin-master-key-free-spin_GM406889139.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/master-coin-free-link_GM406889139.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/all-links-for-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.thekukkad.com/uploaded_files/userfiles/files/minecraft-launcher-download-free_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_off000032a9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32A9	22508 bytes
SHA-256: `3399dc05eead720f0313a0542fd2e1f355d9bd072c2be09a8c70cffb38170ebd`
`font_01_sfnt_off000064b7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64B7	19328 bytes
SHA-256: `611facc0ebe53277e6875418a9080e29f4818c8822afe77d04b044b7175153fa`

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