PDF malware analysis — malicious · 8a8c0065cacfa6f1

MALICIOUS

PDF

34.8 KB Created: 2021-06-26 23:32:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 9e9f7d31f10b4d4b98e727c288077e7c SHA-1: f3a49710c321c318c8e3c2f82fb8116372979baf SHA-256: 8a8c0065cacfa6f12352e2d9017cb4afe41f8118490a1e5891f85b725e14555d

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.co/app/431946152/roblox-cheat-engine-retail-tycoon-hack-game-hack PDF link annotation
- https://5dollarslogo.com/ckfinder/userfiles/files/roblox-promo-codes-2021-robux_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/robloxcom-robloxplay-now-for-free_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/roblox-adopt-me-free-pets_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/roblox-hack-me_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/how-to-get-a-dominus-for-free-on-roblox_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/roblox-place-rewards_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-hack-2021-link_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/roblox-cheats-to-get-2021-robux-2021_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-hack-apk-download-latest-version_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-roblox-svg_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-robux-2021-sans-verification_GM431946152.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/wurst-minecraft_GM479516143.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/coin-master-32-hack-apk_GM406889139.pdfIn PDF document text
- https://5dollarslogo.com/ckfinder/userfiles/files/free-minecraft-server-hosting-24-7_GM479516143.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_off00002fb7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FB7	22700 bytes
SHA-256: `f8faa3556b2cfa833af5425336338c93d42daa352ee4c2cb595068c7ac7e0aef`
`font_01_sfnt_off00006281.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6281	19228 bytes
SHA-256: `e0722099fb0594b2e6c0850024a4874ef37d63d4e994d12d5693c22b576fa0a1`

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