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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://bwawarszawa.pl/upload/file/43683134465.pdf In PDF document text

  • http://slippersymposium.com/clients/875641/File/29677430008.pdfIn PDF document text
  • https://feldmann.pl/userfiles/file/65572781259.pdfIn PDF document text
  • http://alconsprom.ru/ckfinder/userfiles/files/49848361674.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385b9681f90---xalufuwapopa.pdfIn PDF document text
  • http://4bx.pl/public/file/58773761757.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/6r2l3a2ldaer6i3hhj08ilurg6/nuxara.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/c114d17ea38ccbbff0c42842dc674e6d/3949257659.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/2789d39406f58aa112f697ec56e8b5d1/sefajaxelejapuxuseg.pdfIn PDF document text
  • http://irishvaughans.com/clients/7/7c/7cfe0b8ff6d5e3136a6575a9b258a09c/File/32743620271.pdfIn PDF document text
  • https://youkuvpn.com/upload/files/tudir.pdfIn PDF document text
  • http://hydrogears.com/survey/userfiles/files/65702858049.pdfIn PDF document text
  • http://obras.ru/sites/default/files/uploads/gurugesunutu.pdfIn PDF document text
  • http://aal.tw/uploads/htmlupload/files/ledopuli.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/795418c93e7223f4ea8667acb88643fe/5637917886.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/12046693564.pdfIn PDF document text
  • http://areaarchitetti.com/userfiles/files/gefosadujamo.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612738db7c3d1---vukufudelogemebuzokosu.pdfIn PDF document text
  • http://contactconfiance.com/files/files/57692581709.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b437984f5eb---bakofevufefemixifegi.pdfIn PDF document text
  • http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/65437353474.pdfPDF link annotation
  • http://hocikto.info/userfiles/file/39102984028.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/b620c202cf23d98ff7630d0fa5c41879/remutetigipobupetif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=film+acting+lessons+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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