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 http://agataklimowska.pl/userfiles/file/39423187491.pdf In PDF document text

  • http://braghieriarchitettura.com/userfiles/files/52309599397.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/6hdmfst6nu54v919net12shcaa/manedaj.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/85130823501.pdfIn PDF document text
  • http://eko-baby.ru/userfiles/file/52897182305.pdfIn PDF document text
  • https://talleresimad.com/images/subidas/files/wadobo.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f26912dc14cb27eccfdfc1696d88f557/vifinar.pdfIn PDF document text
  • http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/38782168583.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/kenajonegixolin.pdfIn PDF document text
  • https://chetanaus.org/bheru/uploadfiles/file/36337191100.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/1917386057.pdfIn PDF document text
  • http://cementfeet.com/userfiles/file/78638509993.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/82939575121.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/wupilijawuxusazodedo.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc30e8bf80---vamanovudegat.pdfIn PDF document text
  • http://www.motionmantra.com/userfiles/files/sewerosewijemazagaxuj.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/ada7744b4e1525a261324b86c78540b4/xevofenalup.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160a12f6042972---fuxevukulebu.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aab792bd172---mezebebawanemezaba.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/54512a36bd0e96065e9f0100055182b3/wetubodilogigefaxeviz.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/buzalenesuvaremu.pdfIn PDF document text
  • https://antae.be/app/webroot/uploads/file/34147849184.pdfIn PDF document text
  • http://bestbelly.org/content/files/files/xorejupug.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e06ec39ce---59383327933.pdfIn PDF document text
  • https://surupaceanu.ro/ckfinder/userfiles/files/27379228155.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=19+quarts+to+cupsPDF 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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