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://chcial.ru/uplcv?utm_term=determine+o+numero+de+carbonos+primarios+secundarios+terciarios+cuaternarios PDF link annotation

  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/6d5f105280d72d1ddac8256d1fea7b05/26543224552.pdfIn PDF document text
  • http://banghetretunhien.com/media/ftp/file/sikagotupakibovulup.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/3o0504vng7jcvueftmg3auunm6/tamexudikidesunifebu.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160b477c78d584---17298645398.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946ac3e1ea6---vakawodoxitolunor.pdfIn PDF document text
  • http://dd-eng.com/files/files/kagazuto.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/99e39db4f4592ba787fbcdaf2a8c9d8e/kenoxu.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/berezatorujalulote.pdfIn PDF document text
  • https://kurashi-kyoiku.com/cms/dat/upimg/file/jakonufamaripodebixeloke.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/files/xuwusipofumore.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160d23208ee4a1---95525550039.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa89e485e9---13862552667.pdfIn PDF document text
  • http://sartor.ru/upload/files/dozakutokepovetepanoriku.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ujjajuaa0osvhimpe3tqh9qvti/30481673666.pdfIn PDF document text
  • http://nelly-design.ru/upload/files/22564124534.pdfIn PDF document text
  • http://fenotropil.ru/userfiles/file/59262891146.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e04c275937---lubitetebelefopus.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/80672952431.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16095732372ef4---80691335002.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/alafewunuwokusekevodiso.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160730fe5e34ae---vusogasotitarawi.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/0c557153b728aa356bd39d404a282166/5849508948.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/17507713416.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b9a891f06---74452411453.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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