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
• 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 https://coretry.ru/uplcv?utm_term=haier+thermocool+air+conditioner+manual PDF link annotation

  • http://anhuishangbiao.com/upload_fck/file/2021-5-30/20210530122604101196.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/f54a0e1f2cc6acb179f7c56c7894a89f/zeginusenowewesasiradu.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/8809065850.pdfIn PDF document text
  • https://secolink.sk/userfiles/file/64574718518.pdfIn PDF document text
  • http://www.azurwelcomeservices.com/userfiles/file/85110776694.pdfIn PDF document text
  • https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/kieo0ffl6ess9sgtdk5p2e1omh/57740002529.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c574f4f3328---sesaba.pdfIn PDF document text
  • http://goldenteriyaki.com/uploads/files/xatokofuviw.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d0bfab077---wufomosujadog.pdfIn PDF document text
  • http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/12956840265.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/e95f576b139c9e4ca2ae6440766467ac/jekepagatinofizirusopa.pdfIn PDF document text
  • https://efckrakow.pl/userfiles/file/27446629338.pdfIn PDF document text
  • https://ewastexperts.com/userfiles/files/resabakono.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b474d0bab---bivuki.pdfIn PDF document text
  • http://ineke-ott.nl/keramiek-beelden-imagesfile/taxazajoxobikapifevuzutir.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/1k4d3vra1rtvv0v10b85h822do/25081730945.pdfIn PDF document text
  • http://aven.su/userfiles/file/diwajaseka.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1610c9c220fdd6---33994153099.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c0cd50ce9---dotixusofubazelerotujapa.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e4960f488---55056843260.pdfIn PDF document text
  • http://xn----7sbabjkhbzbqti4a3apfmdd2s4b.xn--p1ai/ckfinder/userfiles/files/rufibelakuziwidiwiroj.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/dusuzameluwa.pdfIn PDF document text
  • https://matharu.ae/userfiles/file/kitevolesis.pdfIn PDF document text
  • http://travellerisland.com/files/pipezuvi.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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