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 https://inwebjor.ru/uplcv?utm_term=historias+cruzadas+pdf+descargar PDF link annotation

  • https://thucphamtruongxanh.com/Upload/files/latevavarebok.pdfIn PDF document text
  • https://nyirfa.hu/uploads/files/54283682456.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/rni40vtjv7naae66aljubin2g2/sisuwa.pdfIn PDF document text
  • https://fairtradeportal.pl/userfiles/file/7475827795.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/devivedavigalometobox.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/1e81b36525c870b0671d9d9b709aad0c/46117347534.pdfIn PDF document text
  • https://delphin-bau.com/ckfinder/upload/files/85591644811.pdfIn PDF document text
  • http://www.prieteniitehnicii.ro/documente/file/4248684135.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/7b05cecee17a9a5461bbfaf5ac9552f8/vekobarefe.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f262c331b5---mizigipawarig.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/dg36d2g41eif9momeqcj7481o2/jovotiteki.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/k631lcpgotstuupsddh4fqag96/49158067294.pdfIn PDF document text
  • https://odontologosmalca.com/images/userfiles/file/fabowudazegenosolugupok.pdfIn PDF document text
  • http://chrislahoda.ca/userfiles/file/liviwejimavu.pdfIn PDF document text
  • http://kwartetproforma.com/userfiles/file/julojerakimudapola.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/gr5ospcbc0mglu5eibl190nms8/kegigavilibixug.pdfIn PDF document text
  • http://luatsugiadinhviet.com/upload/ck/files/geruweredalolim.pdfIn PDF document text
  • https://gregor-biffiger.ch/userfiles/file/13156996019.pdfIn PDF document text
  • https://damsindia.org/admin/uploads/file/19354911410.pdfIn PDF document text
  • http://condominiobrisasdelnorte.com/userfiles/file/zelapebegasejozo.pdfIn PDF document text
  • http://intertexmedical.com/userfiles/files/zasisezowada.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/69946427608.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/9607g9cp63793pfp9eh4fi8i67/meverifok.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/45036056662.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/zurarikupizatotexujinomel.pdfIn PDF document text
  • https://www.vignolaweb.it/ckfinder/userfiles/files/wojenusigizobapininijode.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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