PDF malware analysis — malicious · 99a3ead6c4fd346c

MALICIOUS

PDF

47.0 KB Created: 2021-05-14 03:31:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 88f6a9c881902663bb536098dfec860a SHA-1: 6105de60affde437c65e4557f7c8356ce726205f SHA-256: 99a3ead6c4fd346ce8f20162b6873d688b92c10b73603c35dcd1b51cad19abdf

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action lure, directing users to websites promising game hacks and free currency. These links likely lead to malicious sites designed to exploit users or deliver further malware. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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/free-coin-master-spins-daily-game-hack PDF link annotation
- http://zagorjeadventureteam.hr/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/coin-master-free-spins-2021-app_GM406889139.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/roblox-free-roblox_GM431946152.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/coin-master-village-3_GM406889139.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/free-roebucks-com_GM431946152.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/coin-master-links-to-free-spins_GM406889139.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/free-dominus-roblox_GM431946152.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/free-robux-mobile_GM431946152.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/coin-master-official-website_GM406889139.pdfIn PDF document text
- https://www.zagorjeadventureteam.hr/files/coin-master-free-spin-and-coin-link-2021-today_GM406889139.pdfIn PDF document text
- http://zagorjeadventureteam.hr/files/coin-master-hack-ios-without-verification_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004997.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4997	28184 bytes
SHA-256: `d46225b2cd4945c873f041208356beb658b3d7f731ac2ac9f20592557f383511`
`font_01_sfnt_off00008a03.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A03	3264 bytes
SHA-256: `2756f1aee481866e7be68ea9759d1a1529e56124c339b6d6ce98461e9bcfc10d`
`font_02_sfnt_off0000954e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x954E	18308 bytes
SHA-256: `55b350ba652cc81c58cde26cd3be3a49d0b7ceb69ba015e6646fbbf561effc1c`

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