PDF malware analysis — malicious · ca9b7fd1a8f38467

MALICIOUS

PDF

41.3 KB Created: 2021-05-13 00:04:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 614c12fd10d995f94dcc738245380ed4 SHA-1: 7c4fcad7342584e89fa4ec8aa451baa7bf27ed93 SHA-256: ca9b7fd1a8f3846791ebfe26edaaa61d7476633772bc924de9028bee169527a7

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a large number of embedded links, forming a link farm, that direct users to sites offering game cheats and hacks. The primary URL, https://netcdn.xyz/app/406889139/free-coins-on-coin-master-game-hack, and numerous others on jandimotors.co.uk are likely intended to host malicious content or phishing pages. The ML classifier strongly indicated maliciousness, and the PDF structure itself suggests a deceptive purpose.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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.xyz/app/406889139/free-coins-on-coin-master-game-hack
- http://jandimotors.co.uk/images/coin-master-hack-download-ios_GM406889139.pdf
- http://jandimotors.co.uk/images/how-to-get-free-robux-no-scam_GM431946152.pdf
- http://jandimotors.co.uk/images/is-coin-master-hack-safe_GM406889139.pdf
- http://jandimotors.co.uk/images/roblox-games-with-free-radio_GM431946152.pdf
- http://jandimotors.co.uk/images/minecraft-free-download-linux_GM479516143.pdf
- http://jandimotors.co.uk/images/cheats-to-get-free-spins-on-coin-master_GM406889139.pdf
- http://jandimotors.co.uk/images/coin-master-free-gold-cards-link-2021ee-spins_GM406889139.pdf
- http://jandimotors.co.uk/images/how-to-get-free-robux-no-survey_GM431946152.pdf
- http://jandimotors.co.uk/images/how-to-create-a-minecraft-server-for-free_GM479516143.pdf
- http://jandimotors.co.uk/images/free-coins-coin-master-daily_GM406889139.pdf
- http://jandimotors.co.uk/images/websites-that-give-you-free-robux_GM431946152.pdf
- http://jandimotors.co.uk/images/free-links-coin-master_GM406889139.pdf
- http://jandimotors.co.uk/images/hacks-to-get-free-robux_GM431946152.pdf
- http://jandimotors.co.uk/images/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.pdf
- http://jandimotors.co.uk/images/add-robux_GM431946152.pdf
- http://jandimotors.co.uk/images/spin-coin-master-hack_GM406889139.pdf
- http://jandimotors.co.uk/images/minecraft-hacks-pc_GM479516143.pdf
- http://jandimotors.co.uk/images/free-robux-with-no-survey_GM431946152.pdf
- http://jandimotors.co.uk/images/free-spin-link-for-coin-master_GM406889139.pdf
- http://jandimotors.co.uk/images/how-to-get-free-robux-on-phone-2021_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000048aa.bin` `ec1ea43aa853d0436a05d6ef7bcb7c01474201985465c51a3ea11759996100c3`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48AA	24424 bytes
`font_01_sfnt_off00008091.bin` `6ea46f87f2167b805a87cbef3ad9b5ecf4d2513d7b8c5fe933be1d22f28e2546`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8091	17712 bytes

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