PDF malware analysis — malicious · 86cb9b0e97533f07

MALICIOUS

PDF

42.3 KB Created: 2021-05-12 21:55:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: bce5d31c869aeb9580350a3387528d75 SHA-1: 0a7af1c8e5cd9fc3697ce4f71084fca346ef1581 SHA-256: 86cb9b0e97533f0729ca18b8286ac14ea7996e2354e7397e6314a6b606c35f81

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file contains a large number of external links, many of which point to other PDF files, suggesting a link farm or SEO manipulation tactic. The presence of a download button lure and the ML classifier's high confidence score indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URIs are indicative of a phishing or malicious content distribution scheme.

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/hackear-coin-master-espaol-game-hack
- http://tegeler-segler.de/images/coin-master-daily-spin-link-app_GM406889139.pdf
- http://tegeler-segler.de/images/coin-master-free-coins-link-2021_GM406889139.pdf
- http://tegeler-segler.de/images/minecraft-app-store-free_GM479516143.pdf
- http://tegeler-segler.de/images/how-do-you-hack-minecraft_GM479516143.pdf
- http://tegeler-segler.de/images/free-coin-master-hacks-no-verification_GM406889139.pdf
- http://tegeler-segler.de/images/free-robux-generator_GM431946152.pdf
- http://tegeler-segler.de/images/mcpe-hacks_GM479516143.pdf
- http://tegeler-segler.de/images/can-you-get-free-robux-on-roblox_GM431946152.pdf
- http://tegeler-segler.de/images/how-to-get-minecraft-for-free-on-computer_GM479516143.pdf
- http://tegeler-segler.de/images/free-robux-codes-2021_GM431946152.pdf
- http://tegeler-segler.de/images/free-robux-hack-no-human-verification_GM431946152.pdf
- http://tegeler-segler.de/images/how-to-get-minecraft-for-free-on-mac_GM479516143.pdf
- http://tegeler-segler.de/images/how-to-get-free-robux-on-roblox_GM431946152.pdf
- http://tegeler-segler.de/images/free-robux-games-that-actually-work-2021_GM431946152.pdf
- http://tegeler-segler.de/images/free-coin-master-spins-blog_GM406889139.pdf
- http://tegeler-segler.de/images/how-to-get-free-robux-youtube_GM431946152.pdf
- http://tegeler-segler.de/images/roblox-arsenal-hacks-download_GM431946152.pdf
- http://tegeler-segler.de/images/spin-link-coin-master_GM406889139.pdf
- http://tegeler-segler.de/images/minecraft-wurst-client_GM479516143.pdf
- http://tegeler-segler.de/images/coin-master-free-spins-2021-no-human-verification_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_off000049b8.bin` `0eb6e1c3e502ccb65d6f8956bb36e85bee14e96942afd1a2e4189cd916ebd679`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49B8	25524 bytes
`font_01_sfnt_off000083bf.bin` `e55399e6b1729cd549cc8f12a8b8cdf8c971c0c09938f8d6dc12d7f4d019c528`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83BF	17968 bytes

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