PDF malware analysis — malicious · a640859951431711

MALICIOUS

PDF

41.6 KB Created: 2021-05-13 00:39:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c79db04cfc3f115b385532a19a2ffcae SHA-1: 68068932c6608ed88ab6b7903bd446c2a102b742 SHA-256: a640859951431711c7c35e39d353d7c48e0f270bad8e8962e5cda9c56174f4d9

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to other PDF files hosted on similar domains, suggesting a link farm designed to attract traffic. The primary URL, https://netcdn.xyz/app/406889139/ios-coin-master-hack-game-hack, is presented as a lure for game hacks. While no scripts were explicitly extracted, the PDF structure and the presence of numerous external URIs indicate a malicious intent to redirect users to potentially harmful content, likely for monetization or further exploitation.

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/ios-coin-master-hack-game-hack
- http://famoirs.co.uk/images/static-moonactive-net_GM406889139.pdf
- http://famoirs.co.uk/images/free-spins-coin-master-app_GM406889139.pdf
- http://famoirs.co.uk/images/coin-master-hack-without-verify_GM406889139.pdf
- http://famoirs.co.uk/images/how-you-get-free-robux_GM431946152.pdf
- http://famoirs.co.uk/images/how-can-i-get-free-robux_GM431946152.pdf
- http://famoirs.co.uk/images/how-do-you-get-roblox-money_GM431946152.pdf
- http://famoirs.co.uk/images/moonactive-coin-master-free-spins-link_GM406889139.pdf
- http://famoirs.co.uk/images/how-to-get-hacks-on-roblox_GM431946152.pdf
- http://famoirs.co.uk/images/coin-master-free-spins-moonactive_GM406889139.pdf
- http://famoirs.co.uk/images/minecraft-free-download-no-virus_GM479516143.pdf
- http://famoirs.co.uk/images/free-coins-and-spins-in-coin-master_GM406889139.pdf
- http://famoirs.co.uk/images/how-to-get-a-lot-of-robux_GM431946152.pdf
- http://famoirs.co.uk/images/coin-master-free-foxy-food_GM406889139.pdf
- http://famoirs.co.uk/images/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdf
- http://famoirs.co.uk/images/google-how-do-you-get-free-robux_GM431946152.pdf
- http://famoirs.co.uk/images/roblox-lawsuit_GM431946152.pdf
- http://famoirs.co.uk/images/coin-master-free-spins-facebook_GM406889139.pdf
- http://famoirs.co.uk/images/how-to-hack-roblox_GM431946152.pdf
- http://famoirs.co.uk/images/minecraft-pocket-edition-mods-for-free_GM479516143.pdf
- http://famoirs.co.uk/images/how-to-get-free-robux-on-roblox-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_off000047f1.bin` `a70e1e909d49adf9eb536095f2cba1eaffd59a62a8553bdf43b2c0ab41d2ea24`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47F1	25044 bytes
`font_01_sfnt_off000081fd.bin` `195d4bc63313718a90270c02a76fa23d2706b8bd7596689dd7cf24baf09a50ec`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81FD	17716 bytes

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