PDF malware analysis — malicious · 26e7a9c884f6f30d

MALICIOUS

PDF

41.8 KB Created: 2021-05-19 19:42:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 183c724e61941edf4a41c30c8cdc9841 SHA-1: 991f7fea8cfaca2ccdd13f9c7b44b8f92590f476 SHA-256: 26e7a9c884f6f30d95d20bd5ae6a3090fdd0762b2826035f3a21b89c15fdbce3

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are structured as SEO-optimized PDF links, suggesting a link farm designed to attract users searching for game cheats and free in-game items. The ML classifier strongly indicated maliciousness, and the presence of a download button lure reinforces the deceptive nature of the document. No scripts were extracted, but the primary attack pattern involves directing users to external resources that likely host malicious payloads or further phishing attempts.

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/479516143/free-minecraft-accounts-2021-game-hack
- http://adues.org/images/coin-master-free-download-for-pc_GM406889139.pdf
- http://adues.org/images/roblox-jailbreak-hack_GM431946152.pdf
- http://adues.org/images/coin-master-free-spins-today-daily-links_GM406889139.pdf
- http://adues.org/images/robux-free-com_GM431946152.pdf
- http://adues.org/images/how-to-get-roblox-money_GM431946152.pdf
- http://adues.org/images/how-to-get-free-robux-gift-cards_GM431946152.pdf
- http://adues.org/images/download-hack-coin-master-apk_GM406889139.pdf
- http://adues.org/images/coin-master-free-spins-link-today-2021_GM406889139.pdf
- http://adues.org/images/show-me-how-to-get-free-robux_GM431946152.pdf
- http://adues.org/images/free-magical-chest-coin-master_GM406889139.pdf
- http://adues.org/images/minecraft-free-download-linux_GM479516143.pdf
- http://adues.org/images/coin-master-free-spin-and-coin-links_GM406889139.pdf
- http://adues.org/images/hack-coin-master-free-spins_GM406889139.pdf
- http://adues.org/images/robux-generator-no-survey_GM431946152.pdf
- http://adues.org/images/coin-master-daily-free-spins-link-2021-today_GM406889139.pdf
- http://adues.org/images/roblox-hax_GM431946152.pdf
- http://adues.org/images/gamesofficenet-hack-coin-master_GM406889139.pdf
- http://adues.org/images/roblox-admin-hack_GM431946152.pdf
- http://adues.org/images/how-to-get-free-spins-on-coin-master-2021-links_GM406889139.pdf
- http://adues.org/images/coin-master-free-spins-and-coins-daily_GM406889139.pdf
- https://youtu
- 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` `b058ba11c925829ef11f5ed7dbcfd809cc26dbfa2e86393390f54de2e2ce8dcd`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48AA	24544 bytes
`font_01_sfnt_off00008127.bin` `a7a52ec6c2bb565f332a4905da6a686ee34bc05df98df468ad89fd298f001152`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8127	18252 bytes

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