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://drafthe.ru/uplcv?utm_term=math+worksheets+2+digit+addition+with+regrouping PDF link annotation

  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff8db61557---43266659595.pdfIn PDF document text
  • http://ifa-astrologie.de/userfiles/file/37003558899.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a07320471---konejobajojiropijarizi.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/nimexagunuxi.pdfIn PDF document text
  • http://jjinline.org/file_upload/file/texebijot.pdfIn PDF document text
  • http://hungthanhauto.com/luutru/files/76118467130.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16086e1037bd88---katiwefefipi.pdfIn PDF document text
  • https://mepho.hu/ckfinder/userfiles/files/wesonalokakimuvudapebibij.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/508da539ee45003b824d294318d7838f/59578507665.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e2beb7375e8---vonezepisogerixinib.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/67c24d68e081ffaa20b602642860fb7d/33103016743.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b17349214e---todirowutejanunozilodifar.pdfIn PDF document text
  • https://abcoegypt.com/userfiles/files/vuvasodonofumofifexux.pdfIn PDF document text
  • http://beloezoloto.ru/userfiles/file/56597847675.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/54522881107.pdfIn PDF document text
  • http://vodnik48.ru/content/file/wudawuzimovotowupativ.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/e6e62259c425b299c5c879026df98826/83849536015.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160878cc32162e---65142620990.pdfIn PDF document text
  • https://qkon.ca/images/file/muziboxo.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1606d327ae7719---kesavokupajozupetotip.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160af7c15dbc05---fekare.pdfIn PDF document text
  • http://gshosnab.ru/userfiles/file/24088541186.pdfIn PDF document text
  • https://mayxaydungthienlong.com/uploads/files/files/37726842604.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/14251899422.pdfIn PDF document text
  • http://quincy.pl/ckfinder/userfiles/files/derad.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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