PDF malware analysis — malicious · fe62242511e8d1cf

MALICIOUS

PDF

34.8 KB Created: 2021-07-10 00:39:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 99995deaa0b8fa37d9614de4a41c22f6 SHA-1: f8201742d22b35ffa33325cef0bcb403e1dce5ec SHA-256: fe62242511e8d1cfea0f5c2f2bbb20c352dc6318d018adf9507387678bb25eca

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a high-confidence heuristic indicating it links to a game hack lure. The embedded URL, http://netcdn.tw/app/406889139/cheats-for-coin-master-game-hack, is likely a redirector to a malicious site. The document body also contains this URL, reinforcing the lure.

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/cheats-for-coin-master-game-hack PDF link annotation
- https://radiocaxias.com.br/portal/imagens/files/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-download-coin-master_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/roblox-free-robux_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/how-to-speed-hack-roblox-with-cheat-engine-64_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-reddit_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/legit-coin-master-hack-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-tix-and-robux-2021_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/how-can-i-get-free-coinsn-coin-master_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-with-human-verifaction_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-gift-cards-2021_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/roblox-gift-card-free-codes_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/roblox-robux-hack-script-jquery_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-gift-codes_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/como-hack-coin-master_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-gamepasses-roblox-script_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-safe_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-minecraft-coins_GM479516143.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-websites-2021_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_002_off0000320d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x320D	23024 bytes
SHA-256: `721d4696753e03183c18db92ac1ae85a25d39719cdfd89a81459f3c35c2fcc12`
`font_01_sfnt_off000065ea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65EA	18164 bytes
SHA-256: `c315ccf9a79b36be1a03c3aee76827ab51131b40fc24ac36c1cd3f6d313de72a`

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