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://infrive.ru/uplcv?utm_term=como+desarrollar+musculos+en+los+brazos PDF link annotation

  • http://megaprestige.ru/uploads/files/13043460858.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be86d2995d2---pumowewed.pdfIn PDF document text
  • http://www.cda.org.hk/ckfinder/userfiles/files/fogus.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/anh4mu8ce85eudkh97egv0tv5g/puweminofasilosemubiki.pdfIn PDF document text
  • https://epiphanych.com/images/file/46505619412.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160979b0cf2193---15417803700.pdfIn PDF document text
  • https://talenthunt.biz/userfiles/file/jinudimujeduwunurox.pdfIn PDF document text
  • http://salespate.com/userfiles/file/nafavu.pdfIn PDF document text
  • http://thuonghieutoancau.vn/uploads/files/16897005283.pdfIn PDF document text
  • https://ka-base.no/images_content/file/filigebepixilusofiwenof.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/l028pamfo0h8jh7fn55tjg7q89/12012205878.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6b50f3256---vewevixulegamokone.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/fi60f61db76q0fcsbk4468se16/marowo.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083b21f37cea---76138116704.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/esn96uqhm9d2a1ufifbvcbtk59/40027490765.pdfIn PDF document text
  • http://bakoca.hu/files/file/jazudazubovejapedikivo.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bc71d959e---sigudesunewetiraboji.pdfIn PDF document text
  • https://lemanssrl.it/file/40435193380.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607758ffeae89---23234962300.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/24854453766.pdfIn PDF document text
  • http://shimamura-mail-order.com/userfiles/file/minoxaxumevinob.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///norilo.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/58949600464.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/b7e650c8fa4c1c6b702c15304e40f702/76511521020.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/nadipifekifawubumupis.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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