PDF malware analysis — malicious · 00cbba24b94cd660

MALICIOUS

PDF

34.4 KB Created: 2021-07-04 23:05:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: d17955032aa1e5984812456511b38819 SHA-1: 424a33eaf173864b98691efffa5af135ea8484cc SHA-256: 00cbba24b94cd6608d897a2b74265a7113edf3ccaf5e9904165d72249a3e5579

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-robux-gen-game-hack PDF link annotation
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/easy-robux-today-com_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/roblox-hacks-ru_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/how-to-make-a-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/download-free-roblox-outfits-roblobcom_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/how-to-hack-into-peoples-accounts-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/hack-coins-roblox-obby_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/minecraft-sign-up-free_GM479516143.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/free-private-server-roblox_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/coin-master-hack-pro_GM406889139.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/coin-master-cheat-to-get-free-spins_GM406889139.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/free-robux-download_GM431946152.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/free-minecraft-website_GM479516143.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
- https://elearning-mtsn3ppu.azzahra1.xyz/__statics/gudangsoal/files/free-robux-games-on-roblox_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_off0000307a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x307A	22408 bytes
SHA-256: `57e300195550a4be78eeb32c9b6ed907c9c561fc31db89a98cb3fa102b7f07da`
`font_01_sfnt_off0000628c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x628C	18716 bytes
SHA-256: `241c7495b7b7869825a77847e0d47c1d78029990e0b32ebb48689777b4105741`

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