Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PHP webshell / backdoor source high WEBSHELL_PHP
  The file contains PHP server-side code with the signature of a webshell/backdoor (request input fed to a command/code-exec sink). A webshell takes attacker input from an HTTP request and runs commands/code on the server. Flagged as a malicious hacktool artifact even when carried inside a document or archive — the code does not execute from the carrier, but the file is a webshell.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://druttle.ru/wb?keyword=vegan%20ice%20cream%20delivery%20uk PDF link annotation

  • https://gareketekefebon.weebly.com/uploads/1/3/4/6/134695024/padufivapuvokos.pdfIn PDF document text
  • https://pipenibeteza.weebly.com/uploads/1/3/4/5/134508730/velajuzikapubu.pdfIn PDF document text
  • http://mosasekoz.22web.org/56758321318.pdfIn PDF document text
  • http://davavemoj.66ghz.com/apache_http_server_installer.pdfIn PDF document text
  • http://kebilosudo.22web.org/laurel_leaf_pattern_template.pdfIn PDF document text
  • https://tabogivazosepa.weebly.com/uploads/1/3/1/8/131871767/ee268abbd8.pdfIn PDF document text
  • https://gefobivuvevu.weebly.com/uploads/1/3/1/3/131380717/zijatipavevisid.pdfIn PDF document text
  • https://bexajaruxomape.weebly.com/uploads/1/3/1/3/131384789/folebexivudovu.pdfIn PDF document text
  • https://febosefukeja.weebly.com/uploads/1/3/5/3/135324858/sotok.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://mesuwirafifi.rf.gd/35329767824.pdfIn PDF document text
  • http://xupudajiwozov.epizy.com/glitch_photoshop_template_free.pdfIn PDF document text
  • http://jasigobup.epizy.com/kazesifopodiripe.pdfIn PDF document text
  • http://palipesokugukux.epizy.com/weather_report_today_horanadu.pdfIn PDF document text
  • https://s3.amazonaws.com/wolina/33216722992.pdfIn PDF document text
  • https://s3.amazonaws.com/sepawi/blazerush_playstation_4_trophy_guide.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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