PDF malware analysis — malicious · 3756fbf3374bbd2f

MALICIOUS

PDF

42.5 KB Created: 2021-05-12 06:36:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 011ff218eb807d629ff7b118918a8808 SHA-1: 82e2137e791aa645382264ab03d0970c882efcc6 SHA-256: 3756fbf3374bbd2f0887a04a4e26ae7921de46647bc5348cbd5fb7eca44884fa

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 0.9971

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/479516143/toolbox-mod-game-hack PDF link annotation
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-rewards-coin-master_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-roblox-accounts_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/114-hacks_GM479516143.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/coin-master-hack-without-human-verification-india_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/minecraft-bedrock-free-server-hosting_GM479516143.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/coin-master-free-card-link-today_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-coin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/coin-master-hack-tool-v1-9-download_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/hacks-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/mcpe-master-hack-unlimited-coins_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/minecraft-windows-10-hacked-client_GM479516143.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/coin-master-spin-ml-link_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-admin-roblox_GM431946152.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/free-spins-for-coin-master-ios_GM406889139.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
- https://e-learning-mtsalmusyarrofah-jakarta.com/__statics/gudangsoal/files/how-to-get-free-roebucks-without-verification_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
`stream_003_off00004d94.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D94	24492 bytes
SHA-256: `077b6154abd0ee62c5c09c81caff4a814619ef4430b709a5099b43b731ec6ff5`
`font_01_sfnt_off0000850c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x850C	17872 bytes
SHA-256: `ad6b4d8381eadec3c93ad1df5f4e1279c2235c5ac1e30c542200a475642cf7e3`

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