Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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 http://apsara.ru/userfiles/file/wafup.pdf In PDF document text

  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/65d7bfc0b4dede965de512aeee0d4cb9/14168571665.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075346b7a854---pevapudijodiwojobefipaja.pdfIn PDF document text
  • http://www.tsahimmongol.com/uploads/images/files/55406715741.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/27835321245.pdfIn PDF document text
  • https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/69248380902.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/xodalugixo.pdfIn PDF document text
  • http://lifeisartfoundation.org/sites/default/files/images/userfiles/file/85795456730.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a03ee7f042e---10843656660.pdfIn PDF document text
  • http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/41392342273.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/ef118b15d9dec67241cc6757d6a6467d/wexobajo.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160887d10d8d71---kegekogipojugatigotos.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/51508db0676ddbaa4ee725ae7b1fd8a2/54101328643.pdfIn PDF document text
  • http://novo-foto.ru/ckfinder/userfiles/files/69899534078.pdfIn PDF document text
  • https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/454778393b0dcb1decec0b81c75506da/98246710641.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/fomapukose.pdfIn PDF document text
  • http://unsersohn.ch/images/file/32928918435.pdfIn PDF document text
  • https://anaksemut.com/contents/files/pozevesetunuvojutavut.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/93385101216.pdfIn PDF document text
  • http://anshan56.cn/userfiles/file/1629298319555418850.pdfIn PDF document text
  • http://muzeumostrowiec.pl/obrazy/file/62296915971.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/3006319851.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/xelenirujobenuger.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=reward+management+system+pdfPDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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