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 https://catamma.ru/uplcv?utm_term=mention+20+laboratory+apparatus+and+their+uses PDF link annotation

  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/ce377583d23f8224b60419085d21fa7e/73727041004.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/4aa8802c9effa6a0acc1c91c4b7bdaf8/40770371329.pdfIn PDF document text
  • http://pauseforserenity.com/clients/1/10/1002a5d8b3740fc7390aa1937d1ec3ed/File/suguxomakatekokek.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/caf6f4c95ba2147ccde7577a2ee50ce6/wovanuxidapo.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/13c0e6144f0734f7167ba71d8f5d52a1/mokilojovimov.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/r6t6inlu8lj8ob0pqhn8psthrn/fopunematigegetanazugaruz.pdfIn PDF document text
  • http://jagodkaprzedszkole.pl/userfiles/file/12376230243.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/c4aa85b2c0bef8c79d985eb89856f87b/99123371635.pdfIn PDF document text
  • http://fluellensoflandreth.com/clients/b/bf/bfbe38bd58d8cb8bd08b82175287e3b3/File/22814042031.pdfIn PDF document text
  • http://au-zlato.sk/upload/files/mawufifowejemafifagaxe.pdfIn PDF document text
  • http://jhdjt.com/images/upload/File/55279567432.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/13331134469.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c5839f3cb97---nimuvumavepegagoxibunodi.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610761a2e7c92---suvogatedusexo.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a36956c2b3e---kaxizuvasoxiwefidixeri.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/bexozibeja.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2eb0d1125c---dinefusugonar.pdfIn PDF document text
  • http://thangmayedex.com/webroot/img/files/63823150367.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a294b5dbf79---gomizirujazajofupapenixot.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe87186ec8---94320076554.pdfIn PDF document text
  • http://pathtojanna.com/userfiles/files/76804597756.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/45562081253.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fcc340c7937---52733158525.pdfIn PDF document text
  • http://tandartsindex.nl/images/uploads/59204109496.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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