PDF malware analysis — malicious · e351c5c0843c25ab

MALICIOUS

PDF

45.7 KB Created: 2021-06-03 08:04:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 0abd4d25244ac8fa99e8df88af43623f SHA-1: 325987ada57733f74c96e23b3e686c214cf2079b SHA-256: e351c5c0843c25ab1d420fbfe02f4d4da5592745bbb233c80faaba8a6fd6afc5

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 0.9864

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.online/app/431946152/bloxland-earn-free-robux-game-hack PDF link annotation
- https://vierabyragazze.com/upload/files/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/wurst-115_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-spins-coin-master-android_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-112-hacked-client_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/buy-robux-free_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/robloxbux-us-generator_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/gamehunters-club-coin-master_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-to-get-100-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-roblox_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-windows-10-edition-unlock-full-game-free_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/master-coin-hack-game_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-private-minecraft-server_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/aimbot-download-roblox_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/tiktok-minecraft-hacks_GM479516143.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_004_off00005246.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5246	26276 bytes
SHA-256: `9ca4a5f7d060a3c12edcc4267a434d44f8f443cec7df744cd7b22a09fd008a47`
`font_01_sfnt_off00008f4f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F4F	18492 bytes
SHA-256: `fc87a0e838629003b9f405fc2c8429e0a8062f092f4b8629944097aaaaee9c58`

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