PDF malware analysis — malicious · 49fbe8fed5dcbf86

MALICIOUS

PDF

34.7 KB Created: 2021-07-07 15:06:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: f08aa0846199b9ce1dc63eafe2fae4a2 SHA-1: a9a12afdbf1335790744015417f2aaad37f734eb SHA-256: 49fbe8fed5dcbf861652a7c2f2837914dcdfb62c51acc63edf5c0b74f7e9ed66

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 0.9980

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/479516143/how-to-download-minecraft-for-free-on-android-game-hack PDF link annotation
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/robux-hack-alan-walker_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/best-site-for-free-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/free-minecraft-account-reddit_GM479516143.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/coin-master-get-free-spins_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/freespins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/coin-master-spin-hack-trick_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/minecraft-online-free-download_GM479516143.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/roblox-hack-dungueon-questcom_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/coin-master-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/coin-master-free-spin-app-reviews_GM406889139.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/how-to-hack-pepoles-roblox-account_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/roblox-cheat-engine-windows-10_GM431946152.pdfIn PDF document text
- https://elearning.maalhidayah.com/__statics/gudangsoal/files/roblox-place-rewards_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
`font_00_sfnt_off00003415.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3415	21872 bytes
SHA-256: `c0171dadbf149f5356cdb68718ac7763592efaa5383fd477a938a18e14635608`
`font_01_sfnt_off0000643b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x643B	18576 bytes
SHA-256: `533f93ab9dd02e28dde29d6843f0244f722ecb9b3db78d8904ab6a8c57640b5d`

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