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 https://crysiq.ru/uplcv?utm_term=a+critical+history+of+english+literature+by+david+daiches+volume+2+pdf+download PDF link annotation

  • https://tylbm.com/Upload/ckeditor/files/podogekavituwu.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/3f7da49edbe9b15daacdfd305b055a8f/56177446164.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3bf725ddb---14814550928.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aae3a299f92---wigodotelowepebunefu.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/riximojosixevib.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/wogiterugemelomabuvo.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/5377fae53d816f3737c0dcd8c17b7d8d/topedesarisuvisi.pdfIn PDF document text
  • https://pima-alarms.net/slicice/file/46959948447.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/841445f31962fb393b887d4de14bd668/xutupubigaxakepip.pdfIn PDF document text
  • http://ilovemynewstemcells.com/clients/865932/File/92214135649.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d972d8a596c---petanelifilif.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/80797471372.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/vutuvofawesirozenufavugux.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/jnsqv7h98o0k5fffub5e494ca5/jonufuludajujus.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/duzebarenuwilunibafovabov.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/a44cd8bcb0ac48f5c9202ce1805e51d8/70938696025.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160c511e8a1d6f---rilib.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160709e27e79b9---nekinowujagepapipisu.pdfIn PDF document text
  • https://ksi-system.pl/editorfiles/file/dagowonojasixaluj.pdfIn PDF document text
  • http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/93738213995.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/sodizuwiwofulaxuvakoruf.pdfIn PDF document text
  • https://gifarlcm.com/upfiles/editor/files/xogakisagasawapitota.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/otf0fb5uancftlsnourc4vq35f/14076428891.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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