PDF malware analysis — malicious · e09b16ff0d9d5298

MALICIOUS

PDF

43.9 KB Created: 2021-05-12 09:44:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: d77d891caba3f08dc54bc75ee2c1220a SHA-1: 105f716dbfa19a7178b8981093bf910d9fe02a83 SHA-256: e09b16ff0d9d5298cff84eb0ba387cec65cb4ee70ccdee02f04c9d16570e52ac

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 0.9969

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/479516143/free-realistic-minecraft-texture-packs-game-hack PDF link annotation
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/download-coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/coinmaster-blogspot_GM406889139.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/coin-master-generator-free_GM406889139.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/coin-master-game-hack-app-download_GM406889139.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/free-headless-head-roblox_GM431946152.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/hack-minecraft_GM479516143.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/can-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
- https://distribuidorademoveis.com.br/ckfinder/userfiles/files/free-robux-for-free_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
`stream_003_off00004c3a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C3A	27068 bytes
SHA-256: `c6131716fcfd8290273db2ffe483817b98770e16752ca42d43ef2b3444bbe618`
`font_01_sfnt_off00008955.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8955	18316 bytes
SHA-256: `3f7dc9828bb789f2f60f74f5e4523efa991fc74e7e634ca87946bd7b638634b9`

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