PDF malware analysis — malicious · db24a31dd6ec5d2b

MALICIOUS

PDF

45.1 KB Created: 2021-06-03 08:22:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: d10b2d8758bd12e39640aeadeb42a3c8 SHA-1: 218711c5cbfc701df5d720ea2db4fea62d1005a4 SHA-256: db24a31dd6ec5d2b1bf9452ca57a7afa809c0dec99addb26c50dbcf250d81ed7

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 0.9865

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 https://netcdn.online/app/406889139/blogspot-coin-master-free-spins-game-hack PDF link annotation
- https://indo-parabola.com/ckfinder/userfiles/files/instant-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/coin-master-apk-mod_GM406889139.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/coin-master-free-box_GM406889139.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/robux-hack-generator_GM431946152.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/how-to-make-a-minecraft-client_GM479516143.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/free-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/code-free-robux_GM431946152.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/roblox-hacks-com_GM431946152.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/how-to-robux_GM431946152.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/roblox-games-with-free-vip-servers_GM431946152.pdfIn PDF document text
- https://indo-parabola.com/ckfinder/userfiles/files/impact-minecraft-hack_GM479516143.pdfIn PDF document text
- https://www.indo-parabola.com/ckfinder/userfiles/files/coin-master-free-spins-link-today-twitter_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
`stream_004_off000053ad.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x53AD	24916 bytes
SHA-256: `febf2bd16ff92b31eec2d752dc663b763ab9064df7f60529b7cc2bb7e5252a9d`
`font_01_sfnt_off00008d52.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D52	18464 bytes
SHA-256: `af5d8a2e7c6ce5c46c231007036c3c30da92f088fd5d2b237af1a5c438451922`

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