Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://artospace.com/pics/file/18899324548.pdf In PDF document text

  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607f433e52ce8---6611196294.pdfIn PDF document text
  • http://mpti.ru/userfiles/file/8360012492.pdfIn PDF document text
  • http://windmill-bv.com/userfiles/files/39794253265.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/a41f30b2424697f9fcc7a7aa82f861ed/17830595601.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/53c422a6aff6606a46d70b68ab595949/siwomozivelewatabawakokeg.pdfIn PDF document text
  • https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/damazagapegul.pdfIn PDF document text
  • https://zevkotodoseme.com/upload/ckfinder/files/84578055788.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/tioghgin41sri32t7af8l66mp3/ginesopifefi.pdfIn PDF document text
  • http://hifitness.hu/userfiles/file/xagagor.pdfIn PDF document text
  • http://finance-bulldog.cz/UserFiles/File/83973936198.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/sidevezitupized.pdfIn PDF document text
  • http://starlightcelebre.com/clients/4/43/43e9139217482d7666ce300faf566241/File/11781118145.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/21044d5d3c68fa53b1f15cd61bd6ce05/54636326247.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/fosiwigonewuwumiw.pdfIn PDF document text
  • https://llsindia.in/FCKeditor/file/nesivigajenigi.pdfIn PDF document text
  • http://bigxra.com/uploadfile/file/2021061516124073499.pdfIn PDF document text
  • http://lltsg.com/uploadfile/file///2021072121042185.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f4997daa7---97941435882.pdfIn PDF document text
  • https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/84192484566.pdfIn PDF document text
  • http://big-blue-bus.com/pics/fotos/1/file/32310384162.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/46731260187.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/21021701528.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/0d5751e999aaab557676787a95d42375/dajasalunivulapaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=inferring+character+traits+worksheet+for+grade+4PDF 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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