PDF malware analysis — malicious · 993e403fb78f5d12

MALICIOUS

PDF

42.5 KB Created: 2021-05-17 06:21:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: bc3f89172bcdd54d77ccf07f9f8c1a37 SHA-1: e14f19aeffa33939f34a34493a6b77fcc40fa72d SHA-256: 993e403fb78f5d12a9435662a69fc639b3e981db7b250e5a324a454e2d012e2a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a "link farm" designed to direct users to external sites, many of which are related to game hacks and cheats. The ML classifier strongly indicated maliciousness, and the presence of a "download button" lure further supports a malicious intent to trick users into downloading potentially harmful content. No scripts were extracted, but the overall structure and content point to a phishing or malware distribution attempt.

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/coin-master-hack-version-download-2021-ios-game-hack
- http://mypizzaoven.com/images/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdf
- http://mypizzaoven.com/images/how-to-hack-coin-master-with-root_GM406889139.pdf
- http://mypizzaoven.com/images/codes-how-to-get-free-robux_GM431946152.pdf
- http://mypizzaoven.com/images/roblox-hack-generator_GM431946152.pdf
- http://mypizzaoven.com/images/hack-a-game_GM431946152.pdf
- http://mypizzaoven.com/images/100-free-spins-for-coin-master_GM406889139.pdf
- http://mypizzaoven.com/images/www-roblox-robux_GM431946152.pdf
- http://mypizzaoven.com/images/how-to-get-free-robux-on-iphone_GM431946152.pdf
- http://mypizzaoven.com/images/roblox-free-rubox_GM431946152.pdf
- http://mypizzaoven.com/images/robux-hack-free-robux_GM431946152.pdf
- http://mypizzaoven.com/images/coin-master-free-coins-twitter_GM406889139.pdf
- http://mypizzaoven.com/images/coin-master-free-spins-link-2021-twitter_GM406889139.pdf
- http://mypizzaoven.com/images/haktuts-coin-master-today_GM406889139.pdf
- http://mypizzaoven.com/images/hack-coin-master-apk-download_GM406889139.pdf
- http://mypizzaoven.com/images/how-to-hack-coin-master_GM406889139.pdf
- http://mypizzaoven.com/images/coin-master-unlimited-free-spins-link-2021_GM406889139.pdf
- http://mypizzaoven.com/images/roblox-promo-codes-free-robux_GM431946152.pdf
- http://mypizzaoven.com/images/how-many-levels-does-coin-master-have_GM406889139.pdf
- http://mypizzaoven.com/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdf
- http://mypizzaoven.com/images/free-spins-coin-master-unlimited_GM406889139.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_off000049c7.bin` `bedbc60ab1d6c48019587e95c51fe6cdb714a5f9772e428e1fd1d56d50ab2766`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49C7	24440 bytes
`font_01_sfnt_off000081d5.bin` `cc7b03749ee8e0bb295fc18f3327ccd24d21e4560feed49354a921164f87bbf0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81D5	18832 bytes

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