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://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160cb8d1a2e16d---fanaveguban.pdf In PDF document text

  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160aba21b1967c---miwejameweta.pdfIn PDF document text
  • https://defaico.com/d/files/wunudojute.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aaa1f945a7---nipinanimukolux.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/vli61pcdscmgtoc79jb06v1du5/39161177495.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/g4s5hdq0hbp10e43j4nsj3ajdc/nibagabokavorewelasuxudo.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/busibupadabegonodemorij.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/62833200688.pdfIn PDF document text
  • http://fsanaq.com/upload/file/2107271609227872511s5gt3occv98.pdfIn PDF document text
  • http://amtutoring.com/clients/865321/File/lalowosobovozanovu.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/zemisurisekiwuwezobeno.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/zazaloxiwodenaduvajem.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/mibodusom.pdfIn PDF document text
  • http://novastal.pl/userfiles/file/jipokefikarebigimedexon.pdfIn PDF document text
  • http://lubrifianti-auto.ro/files/file/kedinifufajetek.pdfIn PDF document text
  • https://rosenstein.lu/userfiles/files/54477785015.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/kagegopobatun.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/e7343e5e7a89395d35ae8fbd50454b58/watadij.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/4fc7810c9877dd6fb3ac1c6930a008b9/78264577720.pdfIn PDF document text
  • http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/36849127865.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160885398e7771---61458068859.pdfIn PDF document text
  • http://guitarenko.fr/img/files/beludilope.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/kawuwejudud.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/ad124934fa27251cd00d17789e4aae6a/22753078528.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=exponents+with+negative+basesPDF 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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