PDF malware analysis — malicious · b7490284b348fa63

MALICIOUS

PDF

49.0 KB Created: 2021-06-03 07:32:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 42f96d028863c8ace8d34aed86cec637 SHA-1: 98f06c1a9b671d33d7fb0e4b7e7ea22cba4b1f9a SHA-256: b7490284b348fa63cb35d390a6ad4bfe6f9c8c64d650d1896964d9ddbd1ae0d7

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 0.9796

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.online/app/431946152/free-robux-no-verify-game-hack PDF link annotation
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/free-things-on-roblox_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-app-store-free_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-change-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-get-free-tiktok-like_GM835599320.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/whats-robux_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/best-free-minecraft-server-hosting-reddit_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-xbox-free_GM479516143.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/coin-master-hack-apk-april-12-2021_GM406889139.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/minecraft-pocket-edition-apk-free-download_GM479516143.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/what-are-points-for-in-roblox_GM431946152.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/coin-master-levels_GM406889139.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/card-hack-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/coin-master-hack-software_GM406889139.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/como-conseguir-monedas-infinitas-y-tiradas-de-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.wholesomeliving.in/uploaded_files/userfiles/files/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
- https://www.wholesomeliving.in/uploaded_files/userfiles/files/coin-master-500-free-spins_GM406889139.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
`stream_004_off000056c9.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x56C9	26092 bytes
SHA-256: `ef54446fecc392c9fc1febab53590d8c12ec16821053ff812dca51314913fbef`
`font_01_sfnt_off0000923d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x923D	2884 bytes
SHA-256: `db4d67f68d63f7acde9a3ccdd1f24943cbc0c4a1517f37c16b5203dc0c797c9c`
`font_02_sfnt_off00009c38.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C38	18448 bytes
SHA-256: `c82a2e535d1b02ce633786be567827726fc21df48f71ae9cb05a1d9866072f5e`

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