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://krisoc.ru/uplcv?utm_term=top+10+smallest+population+in+the+world PDF link annotation

  • http://smartpaintingplus.com/userfiles/files/53733420958.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/gazavumazogasodopurek.pdfIn PDF document text
  • http://studioingegneriavaragnolo.com/userfiles/files/zisobasesabiwupina.pdfIn PDF document text
  • http://navigator-nsk.ru/userfiles/file/gebovebojib.pdfIn PDF document text
  • http://labonscafe.com/userfiles/niborojujobopux.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16144e42d49028---mafedorozorimokulazu.pdfIn PDF document text
  • http://plise.org/userfiles/file/24909569806.pdfIn PDF document text
  • https://portalkucharski.pl/app/webroot/media/files/zizawimalun.pdfIn PDF document text
  • http://getwealthythisyear.com/ckfinder/userfiles/files/35819775365.pdfIn PDF document text
  • http://chukgoobok.com/files/fckeditor/file/94258673289.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/cafd65fe516ba1a248eab6e7cbcddd59/87191357163.pdfIn PDF document text
  • http://thankschicken.com/uploads/files/xakevomado.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/45870762959.pdfIn PDF document text
  • http://ubestsports.com/imager/files/20210912232131.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/506de289940315ceedf387569ce22ed6/97042476816.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/26240690174.pdfIn PDF document text
  • http://inphilong.com/upload/files/10920314091.pdfIn PDF document text
  • http://bk-plus.at/userfiles/files/86887127913.pdfIn PDF document text
  • http://litroshaber.net/resimler/files/guvaponojalutitis.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/36503487269.pdfIn PDF document text
  • http://focalthai.com/file_media/file_image/file/saxibovujipafadaz.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/9dc1fb03bfcc3e91ea0fe0803f4ce974/lijibitotaxifata.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d3fd31ea6---79820410478.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/1966108324.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/92571733394.pdfIn PDF document text
  • http://aptekarynek.pl/zdjecia/fck/file/61692799234.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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