PDF malware analysis — malicious · 3d4a31c77c2e569d

MALICIOUS

PDF

36.2 KB Created: 2021-06-20 02:07:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: c0b7bbb083751399b5cb413bee6d8c99 SHA-1: 0ef2af3d0c69c6857a2e707a73465760a1c88b2d SHA-256: 3d4a31c77c2e569dd4eae360b10c299f825ddcd461a905c0fae16285779ff3e5

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links and a lure related to game hacks and free items, designed to entice users to click through to malicious websites. The primary link, http://netcdn.co/app/431946152/viper-venom-fabulous-hack-roblox-game-hack, is identified as a redirector. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing or social engineering attack vector, likely aiming to deliver a secondary payload or lead the user to a credential harvesting page.

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.co/app/431946152/viper-venom-fabulous-hack-roblox-game-hack PDF link annotation
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/free-robux-net_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/roblox-piano-hack_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/is-minecraft-earth-free_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-get-coin-master-card-free_GM406889139.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/best-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/free-robux-live_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/coin-mast-hacks_GM406889139.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/free-robux-now_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/coin-master-hack-pc-cheat-engine_GM406889139.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_off00003405.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3405	22784 bytes
SHA-256: `10907b1439a1b0cbfc217ba07bb8b8accecbb6e2ffd33e56141088c7a89e6328`
`font_01_sfnt_off00006725.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6725	19652 bytes
SHA-256: `8e8c255fa20e245ed7481b99b8deb939d6e7ebe35a2069163702823bb92b3047`

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