PDF malware analysis — malicious · 66477b2963cf92b7

MALICIOUS

PDF

34.7 KB Created: 2021-07-03 19:03:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 24454322a9d343f01f043e970373f3c2 SHA-1: d3bc53c1d0aa301273b6b4f031a7450d86c19e6c SHA-256: 66477b2963cf92b772ac89276e18b2c9fba1d4ce151fe3d24ec5209c0d44a436

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/431946152/free-roblox-groups-game-hack PDF link annotation
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-hacks_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-hack-org_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-spins-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/hack-coin-master-no-survey_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-jailbreak-hack-download-2021_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/discord-free-roblox-accounts_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/google-why-is-roblox-gettng-hacked_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/can-someone-hack-you-if-you-friend-them-on-roblox_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-jeailbreak-hack_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-girl_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/xbox-roblox-free_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/where-pokemon-go-free-download_GM1094591345.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-change-the-script-on-roblox-2021-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-the-legendary-swords-rpg-hack_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-get-a-vip-server-in-roblox-for-free_GM431946152.pdfIn PDF document text
- https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-get-free-clothes-in-roblox-2021_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_off00003108.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3108	22284 bytes
SHA-256: `158a40080700a4bdfa6f38aa7af63d8661e2ce6572870e6ed47e6cb4b2bb7a90`
`font_01_sfnt_off000062dd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62DD	18968 bytes
SHA-256: `4728b92cf848fdb1cd1eb8cd3d9e6ae7930638f040f81f2792b6d3037428f5d1`

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