PDF malware analysis — malicious · 4fac845e2f2363dd

MALICIOUS

PDF

35.0 KB Created: 2021-07-05 15:34:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 3425afaeb4e813b5ccd16ea642b70b75 SHA-1: 27681d0e5651af35ff11b3cd2d4f79440d9d1ed9 SHA-256: 4fac845e2f2363dd3ca07bddbd2df9b4b321d0767bedf50e3fa376941784d9c8

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a high-confidence heuristic indicating it links to a 'free generator / game hack' redirector, specifically http://netcdn.tw/app/431946152/dominus-roblox-free-game-hack. This lure is designed to trick users into visiting malicious sites, likely for phishing or malware distribution. The ML classifier also strongly flagged this PDF as malicious.

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.tw/app/431946152/dominus-roblox-free-game-hack PDF link annotation
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-spin-coin-master-app-download_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-expert-scripters-roblox_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/coin-master-hack-extension_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/coin-master-tiradas-gratis_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/coin-master-hack-for-android_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/add-robux_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/gamepass-buyer-script-roblox-cheat_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/minecraft-pe-hacks-ios_GM479516143.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/roblox-top_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/rexima-roblox-cheat-for-apocalypse-rising_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/why-are-you-cheating-on-your-roblox-girlfriend_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/roblox-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-synapse-x-roblox-exploit_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/roblox-jailbreak-auto-arrest-hack_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/gear-in-roblox-free_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/www-coinmaster-com_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/minecraft-java-hacks_GM479516143.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/minecraft-pe-hack-client-ios_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
`font_00_sfnt_off000032ea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32EA	21832 bytes
SHA-256: `7a4c97a0c4188efd725a1413809c96faaa1bcfe2a292baaee97e04ea0ef8c453`
`font_01_sfnt_off00006314.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6314	19340 bytes
SHA-256: `2baa4a424f72436de07ce77037064002e5e6fbd5f5b1d91ab01ade787eb1f944`

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