PDF malware analysis — malicious · 7a7a81cf8ed3ef27

MALICIOUS

PDF

41.9 KB Created: 2021-05-11 01:24:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 27ca2133b0c6cec03a7fa02a12a9b8e3 SHA-1: b4464011897319fce1af2a3e7e277169c2c9e73f SHA-256: 7a7a81cf8ed3ef27e1d7c033f9a6c7532b9f2966aea175dde6b6fde076a6f74f

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/431946152/free-roblox-hair-codes-game-hack PDF link annotation
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/microsoft-store-robux_GM431946152.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/mcmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/robux-com-free_GM431946152.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-free-spins-link-download-today_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-clothing-on-roblox_GM431946152.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-hack-programers_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/blogger-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-roblox-glasses_GM431946152.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/minecraft-pe-016-0-apk-download-free_GM479516143.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/hack-version-coin-master-apk_GM406889139.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
- https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-coin-and-spin-link_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_off00004944.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4944	25316 bytes
SHA-256: `7eb7f0aaf66403ea0eea31a5da9e447736d728fb1ddc826042015e9771f99123`
`font_01_sfnt_off00008108.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8108	18472 bytes
SHA-256: `58bd8e37bff2e40e3b0dd1e4e28472cf67d664de325b47398c2f4df4c0a3a645`

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