PDF malware analysis — malicious · 7c00ea0a7cd49b42

MALICIOUS

PDF

35.0 KB Created: 2021-06-27 23:00:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: fb9673190d138dea01fce06f8a60af55 SHA-1: 561cadbcc8bd1b410cc8cb7e3e7c3c7bbd27b52c SHA-256: 7c00ea0a7cd49b4263b5255e421ce8b94d841c83799ff2cf2738ff4706e09866

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links and text lures related to 'free Robux generators' and game hacks, indicating a social engineering attempt to trick users into visiting malicious websites. The ML classifier strongly flagged this PDF as malicious, and the embedded URLs likely lead to further malware downloads or phishing pages. No scripts were extracted from this sample.

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.co/app/431946152/free-robux-generator-without-verification-game-hack PDF link annotation
- https://weddingcards-expert.tw/upload/files/roblox-skins-free-downoad_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/coin-master-game-hack-app-download_GM406889139.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/coin-master-free-spins-2021-today_GM406889139.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/how-to-make-a-free-server-in-minecraft-java_GM479516143.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/kid-cheats-on-roblox-girlfriend_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/coin-master-free-daily-spins-2021_GM406889139.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/how-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/roblox-free-angel-wings_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/how-to-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/coin-master-daily-free-spins-today_GM406889139.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/are-there-any-free-sword-on-roblox_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/how-do-u-hack-people-account-roblox_GM431946152.pdfIn PDF document text
- https://weddingcards-expert.tw/upload/files/how-to-get-free-robux-without-email_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_off00002f24.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F24	22924 bytes
SHA-256: `abf489b3e452fdede9e0aa2c0fba0d2cfde0e53f3f9cf6988f18e2e4160595d5`
`font_01_sfnt_off000062af.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62AF	19436 bytes
SHA-256: `d0e926b628c6de032872dc004c24afa0bd818e7bb7e50361af68be366a642f01`

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