PDF malware analysis — malicious · 0eb717fe3bff0323

MALICIOUS

PDF

46.3 KB Created: 2021-05-15 06:34:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 6820d3e758070cbc69ae20b8e1188f53 SHA-1: 434124b4aee4e616d963198bb71fb680059079cc SHA-256: 0eb717fe3bff032316ed17e2e1d9732cf92c9b017f55bb3c69414fa1d0505bbf

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 0.8696

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 https://netcdn.xyz/app/431946152/freerubux-game-hack PDF link annotation
- https://dribledasortegaucho.com.br/uploads/files/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/free-unlimited-coin-master-400-spin-link_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/coin-master-hacks-for-iphone_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/free-spins-coin-master-apple_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/coin-master-hack-club_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/comapp-trekfree-coin-spindaily-link-master_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/free-robux-hack-us_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/redeem-roblox-card-free_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/coinmaster-free-spins-link_GM406889139.pdfIn PDF document text
- https://dribledasortegaucho.com.br/uploads/files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004a0a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A0A	26252 bytes
SHA-256: `2a084a028b7d345012c0003a9482cca5da9ebc55fd0bd75a895107f93ce81935`
`font_01_sfnt_off000086d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86D8	5696 bytes
SHA-256: `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`
`font_02_sfnt_off000093e9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x93E9	17872 bytes
SHA-256: `f4416bbc5f287efcbe31c7b4c704cc92a0ced0ddcdd2f5cfb5fb7d41fdf7fc1a`

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