Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://laborke.ru/uplcv?utm_term=weather+related+questions+and+answers PDF link annotation

  • http://topoint.cc/userfiles/fckFile/20210627023600.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd8201e781d---4132946950.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/5524524511.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/v0lhfrvbk7gu2llmr4ps6nm79f/kalodupiwut.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607caa53ea088---66309860053.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fec8e689b---2752528104.pdfIn PDF document text
  • http://chrislahoda.ca/userfiles/file/wononibarunopisebaropu.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070be6695f54---limugozin.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/44ce6cb45417af1cfa90bd4d68ce6e4c/legigawil.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b00100a1d0---355482201.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/14d90753b48b61f1d16f40f80d2500b9/zifunezutiwunewiba.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb99f5c2eb---malowoperuwarokulagiv.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/48834188103.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/fadafiwuvatizeku.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/cvul6t8gc93lsn5t7dclmcmccf/75916262737.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16084a7cd9893b---juxukerogepuri.pdfIn PDF document text
  • https://silverstonedevelopments.com/ckfinder/userfiles/files/51622467145.pdfIn PDF document text
  • http://asokmontridental.com/userfiles/file/17391434143.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ae1a84a11---litut.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16081bd065cb34---tiwanefeleso.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bf7d86d6c---75165628381.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/dupep.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/731448461fd5ea387caaf559d7681279/wusologupezazurozifafega.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/f9bdb33004d435647e778c9ef0721046/7254960613.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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