PDF malware analysis — malicious · ea333cfd71d1fd78

MALICIOUS

PDF

34.2 KB Created: 2021-07-04 00:39:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 290861e489a57e8cc81237ffa9991eb8 SHA-1: ee8bb5e33d852c8183b3256da88bcc55aa6e48a2 SHA-256: ea333cfd71d1fd785e54812a2ee6dcd43f98b993122072580062a83c4a0c1a4d

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-only-1-step-game-hack PDF link annotation
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-hack-mod-apk-android-1_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-roblox-vip-server-for-lab-experiment_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-free-gold-cards-link-2021ee-spins_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-roblox-avatar_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/http-bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/minecraft-xbox-free_GM479516143.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/how-to-win-free-robux_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-dominus-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-robux-just-enter-username_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-minecraft-com_GM479516143.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/robux-free-2021_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-hack-spins-download_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/roblox-free-games-login_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/get-free-admin-commands-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-shirt-templates-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-game-free-download_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_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
`font_00_sfnt_off00002d41.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D41	22512 bytes
SHA-256: `b20269783857481a805bbd6675ae6c551e4eb7cee1e49e8791b6c5936c889a12`
`font_01_sfnt_off00005fa0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FA0	19356 bytes
SHA-256: `6203e8b6a616a7180bc9441a8d043da3f01388f0f459c4fdfb5ce8965eca2553`

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