PDF malware analysis — malicious · 08c30bf2c2ec0194

MALICIOUS

PDF

34.9 KB Created: 2021-06-29 11:10:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: b97168a8c8cbb1efdc107d7658125630 SHA-1: af02a52ad20b2299d8d3d3d57c99012fc4f8c69d SHA-256: 08c30bf2c2ec0194b4fd5def907c737dbadd94e86687e6476fb0091a164d34f6

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/get-free-robux-just-enter-username-game-hack PDF link annotation
- https://www.alamac-kitbag.co.uk/uploads/files/files/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/free-robux-clothes_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/how-to-get-any-hat-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/free-minecraft-java-edition-account_GM479516143.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/free-robux-com-real_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/free-100-robux-card-codes-2021_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/free-robux-quiz_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/is-there-any-tricks-or-working-hacks-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/how-to-get-free-robux-2021-on-phone_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/pagina-hacker-de-roblox_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/how-do-i-get-robux_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/www-rbxhut-com_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/roblox-free-clothes-girl_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/robuxmatchcon_GM431946152.pdfIn PDF document text
- https://www.alamac-kitbag.co.uk/uploads/files/files/roblox-com-free-play_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_off0000307e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x307E	22540 bytes
SHA-256: `bc6b2f620630d2270f0c838619a295e2e4724632064daafcb33867ddf9170cbf`
`font_01_sfnt_off000062f5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62F5	19244 bytes
SHA-256: `80b6b85b8135558e7cc2d37a173682671167069bae27035d0d5a729206037f8f`

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