PDF malware analysis — malicious · 9ccfa7fc0c707de5

MALICIOUS

PDF

34.5 KB Created: 2021-07-08 18:21:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: daeb51b142e603dd6adad87191720282 SHA-1: 114facf9782a12239f2a9c8689215e580fc8ed9a SHA-256: 9ccfa7fc0c707de5dc5e3bf27ea39504212ba5f7604b4490662e066d08111253

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/406889139/coin-master-hack-online-android-game-hack PDF link annotation
- https://www.smarthealthme.com/uploaded_files/userfiles/files/classic-noob-roblox-t-shir-free_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/coin-master-free-spins-link-cheat_GM406889139.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/promo-code-free-robux_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/synapse-free-roblox_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/free-roblox-premium-accounts_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/how-to-get-free-robux-obby-no-password_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/how-to-get-free-builders-club-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/roblox-assassin-hack-2021_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today-twitter_GM406889139.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/download-apps-for-robux_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/free-easy-robux-hack_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/what-are-points-for-in-roblox_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- https://www.smarthealthme.com/uploaded_files/userfiles/files/get-robux-free-without-signing-up_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_off00003158.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3158	22772 bytes
SHA-256: `358234e19db35e83bccabc880ad9e654551eaf3609061d8d2a57c2cb31b0c860`
`font_01_sfnt_off0000643f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x643F	18252 bytes
SHA-256: `9d14639a3f19f86eca98ac18afee044b618570524dd00cbb837dbeea23a098ef`

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