PDF malware analysis — malicious · 4762ed989e64c6d7

MALICIOUS

PDF

34.4 KB Created: 2021-07-05 11:51:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 967addc0f5a91fb28bc084551d07e32e SHA-1: 10aa720fc4d6b39a52064b0defb5fbf78134e506 SHA-256: 4762ed989e64c6d73e91db32a85265b5c6fc42ea0dba078637227b9facb1ee35

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/406889139/coinmaster-free-cards-game-hack PDF link annotation
- http://www.tradenextindia.com/uploaded_files/userfiles/files/name-change-client-roblox-free_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/minecraft-java-hacks_GM479516143.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-iphone_GM406889139.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/rblx-city-free-robux_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/how-to-use-cheat-engine-in-roblox-tycoon_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/200-robux-free_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/minecraft-world-free-download_GM479516143.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/roblox-hack-gg-uardika_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/roblox-ninja-animation-hack_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/cheat-codes-for-roblox-adopt-me_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/roblox-blood-moon-tycoon-hack_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/free-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/minecraft-client-download_GM479516143.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/roblox-undertale-3d-boss-battles-hack_GM431946152.pdfIn PDF document text
- http://www.tradenextindia.com/uploaded_files/userfiles/files/free-roblox-card_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_off00003133.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3133	22604 bytes
SHA-256: `55b157400f4de7ed18abd1435479c4ef43cb40d519e59e5a8b414f38ec2c35fc`
`font_01_sfnt_off00006394.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6394	18432 bytes
SHA-256: `7b832aa1fcf343a711adfee6e90e6c944069d3fd26e32b4965080e89e0097fa3`

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