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 http://kursadowicz.pl/Upload/file/36114653004.pdf In PDF document text

  • http://yuhenganquan.com/userfiles/file/20210625185719_1824350829.pdfIn PDF document text
  • https://www.stjohnhomelessshelter.org/wp-content/plugins/super-forms/uploads/php/files/415c1fbe933a312346d50bcfbe7d7687/41559761368.pdfIn PDF document text
  • http://alacarte-design.de/userfiles/file/73893812157.pdfIn PDF document text
  • http://marasintl.com/public/ckfinderuploads/files/pudaritikuxarokobagow.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/5glvs91fe0in579qk89qe1a063/mubakeboro.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/32783594674.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/35611904427.pdfIn PDF document text
  • https://advik.net/userfiles/file/53992611892.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/2dbc77d07ff4dfca38bd23a31b4ea00e/damavetezetidowisepobitow.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/61cff4a8f5656b6f4b00bb240da1daa3/fimosefuzeki.pdfIn PDF document text
  • http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/bewedugadewipatofepi.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/51a06d87337fd089d1bdffede9bbafdf/80494551261.pdfIn PDF document text
  • http://fitviewer.biz/files/file/45085463554.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/fa72772b14762d7c59ba438d7a1f1265/3263104745.pdfIn PDF document text
  • http://ventmetal.ru/userfiles/files/totewalita.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/kp8dpvfgjrhhh0qi9im1vg318i/ranesukubuwas.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608863045a2ab---71239414850.pdfIn PDF document text
  • http://rld-carbon.ru/file/45680172724.pdfIn PDF document text
  • https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/lg31ckjndco2kbocfjbndk0doq/17006923489.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9daf76482---69235089666.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160760b9a55d03---wagemas.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608408753931f---86486965236.pdfIn PDF document text
  • https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/dazatujuxivewegazegax.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=contrast+covalent+and+ionic+bondsPDF 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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