Malicious PDF — malware analysis report

Static analysis result for SHA-256 868490b750cfdfdf…

MALICIOUS

PDF

132.3 KB Created: 2022-07-04 00:55:26 +00:00 Authoring application: gilmar (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: fccee75e09ffbdd361bf71422adf7930 SHA-1: cd2ba68cd1eb9f26bb96d0468a3763a8ca800073 SHA-256: 868490b750cfdfdf4ec33542bee5d2fec1f3cfbd92af3ffda7889cd639c31d66
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior. The primary IOC is the URL 'http://signforcover.com/dietitian/floodwaters/annually/R0xTY2VuZQR0x&ZG93bmxvYWR8R0MyTVdkaGNIeDhNVFkxTmpnNU1qTTFNbng4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA/spotlessly/', which is likely the intended destination for the attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0082

Heuristics 3

  • 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.
  • 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 http://signforcover.com/dietitian/floodwaters/annually/R0xTY2VuZQR0x&ZG93bmxvYWR8R0MyTVdkaGNIeDhNVFkxTmpnNU1qTTFNbng4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA/spotlessly/
    • https://speedhunters.al/wp-content/uploads/2022/07/Kindle_Previewer.pdf
    • http://www.cpakamal.com/advanced-renamer-portable-3-84-crack/
    • https://shielded-spire-96359.herokuapp.com/brieyali.pdf
    • https://www.lakemaryfl.com/sites/g/files/vyhlif746/f/uploads/fy22_adopted_budget_ada.pdf
    • https://botkyrkaboxning.se/wp-content/uploads/2022/07/Crude_Video_Downloader__Crack__Download_Latest_2022.pdf
    • https://www.careerfirst.lk/sites/default/files/webform/cv/ImTOO-DVD-Creator.pdf
    • https://mentorus.pl/servicetweaker-crack-download-2022-new/
    • https://www.merexpression.com/upload/files/2022/07/HtnlH6Vccj9b5MW5eYHt_04_b326c2e4a7153b6c79353eedd77c5147_file.pdf
    • https://jacobeachcostarica.net/wp-content/uploads/2022/07/ImageElements_FrameOut__Crack_Keygen_Full_Version_Download_2022.pdf
    • https://www.sleepyhollowny.gov/sites/g/files/vyhlif3816/f/pages/comp_plan_red_line_sleepyhollow_publichearingdraft.pdf
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    • http://getpress.hu/blog/duplicate-file-finder-5-1-0-0-crack-free-download-2022/
    • https://www.cameraitacina.com/en/system/files/webform/feedback/areader.pdf
    • https://damp-harbor-84841.herokuapp.com/tomaober.pdf
    • https://www.anamplace.com/wp-content/uploads/2022/07/FreeCAD__Crack_WinMac_April2022.pdf
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    • https://botkyrkaboxning.se/wp-
    • https://www.merexpression.com/upload/files/2022/07/HtnlH6Vccj9b5MW5eYHt_04_b326c2e4a7153b
    • https://jacobeachcostarica.net/wp-content/uploads/2022/07/ImageElements_FrameOut__Crack_Keyge
    • https://www.sleepyhollowny.gov/sites/g/files/vyhlif3816/f/pages/comp_plan_red_line_sleepyhollow_pu
    • http://www.tcpdf.org
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/