PDF malware analysis — malicious · 4ce1c2de5a618785

MALICIOUS

PDF

41.5 KB Created: 2021-05-19 00:41:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: cc2f553e835aba56656bcf1899e26918 SHA-1: a0665fac87e05f8b4bbaffb68f49f7499dcc2ce6 SHA-256: 4ce1c2de5a6187857cda65b7335d198ea3a9606e4c862766ffc728f360c3cf27

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 0.9971

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/minecraft-free-minecoins-game-hack PDF link annotation
- https://radiocaxias.com.br/portal/imagens/files/robux-hack-no-verification_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/client-minecraft_GM479516143.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/wwwcoin-master-hack-game-download_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/coin-master-free-pet-food_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/roblox-people-girl_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/coin-master-links-for-today_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/easy-robux-generator_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-roblox-codes-2021_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/hack-coin-master-game_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-roblox-generator_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-real-working_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/minecraft-pe-free-download-ios_GM479516143.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
- https://radiocaxias.com.br/portal/imagens/files/coin-master-free-spins-usa-2021_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
`stream_003_off00004922.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4922	24944 bytes
SHA-256: `6133ed1a02c2dac4b6f216f3bfbf5911173c40cd80e85356249f87bd31e7d46d`
`font_01_sfnt_off000081b8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81B8	17712 bytes
SHA-256: `84922fa40070066ef4f1a201e85f9de45244526ee00faa1dc92053ed0f889265`

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