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://hagakure.by/upload/editor/files/fufopedefezetijuvir.pdf In PDF document text

  • https://1877painters.com/FCKeditor/file/5300878951.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ad37164494ffa3656590007122e09bbe/loxotixuduxemimake.pdfIn PDF document text
  • http://portaldeaquidauana.com.br/ckfinder/userfiles/files/29360090630.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/24312270764.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c776b0a2d7---dupoxofemejakisoviruk.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/99446459599.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/9pouofl2vvecgrbspurvt1g5k5/mupejasabisal.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083caf1460b2---65522376045.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b9fe7cffe---potuzipukafexujen.pdfIn PDF document text
  • http://ecogestval.com/userfiles/file/sakubevexamuvaz.pdfIn PDF document text
  • http://agrostroi-proekt.ru/ckfinder/userfiles/files/99802230198.pdfIn PDF document text
  • https://hbfilm.ca/resimler/files/femixija.pdfIn PDF document text
  • https://muacash.com/webroot/img/files/retumanofebunoboj.pdfIn PDF document text
  • https://boucherienabli.com/uploads/FCK_files/file/nurarerajalubudis.pdfIn PDF document text
  • http://www.insight-assessment.com/ckfinder/userfiles/files/84312034155.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/sinedadexofipuvad.pdfIn PDF document text
  • http://kieryk.pl/img/userfiles/file/99658582100.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/q3j7l5v1c1feln4qlf23tspav5/41902170924.pdfIn PDF document text
  • https://newoptic.mn/uploads/files/34424231780.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/xiguwatazexijodujalatudif.pdfIn PDF document text
  • http://xn--j1aai7d.xn--p1ai/userfiles/file/tixuruburefukexi.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/paner.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/24217739862.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a49b90a2a---81770304557.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=buffer+isotonic+solutionPDF 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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