PDF malware analysis — malicious · 83e9b1835c7d3dbf

MALICIOUS

PDF

42.2 KB Created: 2021-05-15 11:02:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 877c8251aaf917c534c7545d7aa879bb SHA-1: a7ec97b4369da3c04e070327a412e62d26a0bc6c SHA-256: 83e9b1835c7d3dbf3a9c0c3a3001621c60147488f817f241982565c88abca777

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded links, identified as a link farm, that direct users to websites offering "free spins" or "free robux." The ML classifier strongly indicates maliciousness, and the presence of external URIs suggests a phishing or scam attempt. The document's content and structure are designed to trick users into navigating to potentially harmful external resources.

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-free-spins-game-hack
- https://masseymotorcars.com/images/coin-master-facebook-free-spins_GM406889139.pdf
- https://masseymotorcars.com/images/how-do-we-get-free-robux_GM431946152.pdf
- https://masseymotorcars.com/images/free-robux-with-no-verification-2021_GM431946152.pdf
- https://masseymotorcars.com/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdf
- https://masseymotorcars.com/images/get-free-robux-today_GM431946152.pdf
- https://masseymotorcars.com/images/how-to-get-free-robux-easy-on-phone_GM431946152.pdf
- https://masseymotorcars.com/images/rbx-free-robux_GM431946152.pdf
- https://masseymotorcars.com/images/can-u-get-free-robux_GM431946152.pdf
- https://masseymotorcars.com/images/wizard-hacks_GM479516143.pdf
- https://masseymotorcars.com/images/free-coins-for-flip-master_GM406889139.pdf
- https://masseymotorcars.com/images/free-robux-codes-no-verification-2021_GM431946152.pdf
- https://masseymotorcars.com/images/free-coin-master-game_GM406889139.pdf
- https://masseymotorcars.com/images/get-free-robux-without-doing-anything_GM431946152.pdf
- https://masseymotorcars.com/images/coin-master-free-spins-daily_GM406889139.pdf
- https://masseymotorcars.com/images/como-hackear-coin-master-2021-espaol_GM406889139.pdf
- https://masseymotorcars.com/images/promo-codes-for-free-robux_GM431946152.pdf
- https://masseymotorcars.com/images/robux-hack-generator_GM431946152.pdf
- https://masseymotorcars.com/images/how-to-get-minecraft-bedrock-edition-on-pc-for-free_GM479516143.pdf
- https://masseymotorcars.com/images/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdf
- https://masseymotorcars.com/images/roblox-hack-download-pc_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004a7f.bin` `54bf52b6d645158b7681e379436a43c6cc1c39a7d1092737b42864d35ceb7422`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A7F	25088 bytes
`font_01_sfnt_off000083b2.bin` `7b855ef2bb944b5b370c61480927ccad63ff31bdbf820bc1f0da9d35a10f5fb2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83B2	17884 bytes

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