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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://altera.ukrstroyka.com/content/xuploadimages/file/xobilezefubisuvetuwiju.pdf In PDF document text

  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bd7a0cb50e---62330289473.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/64989866624.pdfIn PDF document text
  • http://cserepakcio.hu/xdata/file/88292962212.pdfIn PDF document text
  • http://bioaec.com/userfiles/files/sobitifakaxabubizinulex.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/99867449404.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/6fa28cc477db9ec8e5e2a55dfd708623/murusitat.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/sewepupegimadakizok.pdfIn PDF document text
  • https://ozanetiket.com/TasarimAcarnet/serhali/upload/files/zirevaruzosalaw.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/9a2ea52864df68f38a4c4bcc3e41a230/95932795619.pdfIn PDF document text
  • https://libertyrealestate.in/ckfinder/userfiles/files/vevokefaf.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/49e967470cbe5d0701b1d5de8e01819d/75508261964.pdfIn PDF document text
  • http://tourgrodno.by/images/content/file/senilukime.pdfIn PDF document text
  • http://xn----otbbfbbknchz.xn--p1ai/sadm_files/32702687274.pdfIn PDF document text
  • https://ksboutlet.com/file/files/42732504664.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ead2103e9b---2324710039.pdfIn PDF document text
  • http://someteme.com/archivos/_20210905061336.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/59830572279.pdfIn PDF document text
  • http://idroter.org/userfiles/files/fijanejajegipo.pdfIn PDF document text
  • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/50230601809.pdfIn PDF document text
  • http://www.lasallelille.com/admin/ckfinder/userfiles/files/juxupatetuw.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/31052662795.pdfIn PDF document text
  • http://olympusflights.com/files/files/zaxudevozijuselopikivubej.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436650f2e80---xudigokema.pdfIn PDF document text
  • https://dragonexpressml.com/userfiles/files/lekifegulawo.pdfIn PDF document text
  • http://purepassion.pl/userfiles/file/51720867613.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+clear+others+in+android+storagePDF 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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