PDF malware analysis — malicious · dbad97b8455e7a96

MALICIOUS

PDF

41.5 KB Created: 2021-05-17 00:36:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: c60ecb1a23562e7598ffb3e6cb71aa3f SHA-1: aac8fb892dddfacacb2d9e3d8fedff7a151e8eb3 SHA-256: dbad97b8455e7a9641cfafc7bde16e8e884ae9178ba2b50c4f9da1a9e598cef5

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains multiple links and a lure related to game hacks and free generators, indicating a social engineering tactic to trick users into visiting potentially malicious websites. The primary link identified is 'https://netcdn.xyz/app/406889139/hack-coin-pro-coin-master-game-hack', which is likely the destination for the malicious payload or phishing attempt. No scripts were extracted, but the presence of numerous suspicious URLs and the 'PDF_GAME_HACK_REDIRECT_LURE' heuristic strongly suggest a malicious intent.

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/406889139/hack-coin-pro-coin-master-game-hack PDF link annotation
- http://achauco.vn/public/upload/files/is-minecraft-realms-free_GM479516143.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-coins-for-flip-master_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/minecraft-bedrock-client_GM479516143.pdfIn PDF document text
- http://achauco.vn/public/upload/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/latest-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coinmasterhack-club_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-spins-coin-master-no-verification_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-spins-for-coin-master-ios_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-hack-apk-download-2021_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/how-to-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/se-puede-hackear-coin-master_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-homepage_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-hack-app-android-download_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/hacks-master-coin_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/how-to-hack-mcpe-master-coins_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-daily-free-spins-link-download_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_off000049d7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49D7	24172 bytes
SHA-256: `9e568748e8dea94e6cde3111880d8fbc34f15d1058edabdfdef20c20d9f56d28`
`font_01_sfnt_off00008111.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8111	17868 bytes
SHA-256: `8414f5d689964aeb56a8bb0109c3531c9ea2311b4dd6f38a0b43982a4f3b1952`

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