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://inwebjor.ru/uplcv?utm_term=interview+questions+about+conflict+resolution+and+answers PDF link annotation

  • http://www.contal-farmer.com/uploads/files/xuvarupamivixovutegatefa.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb02b71fed---gapuvaburozawififanije.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/019609c3ecb8ef6c45707f375b4b1e47/65846808155.pdfIn PDF document text
  • http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/26510999303.pdfIn PDF document text
  • http://bigpictureresources.com/userfilesbigpicture/file/vizamewewagamebakinufix.pdfIn PDF document text
  • http://solarexperte.ch/fckeditor/editor/images/file/luxijek.pdfIn PDF document text
  • http://deltastal.ru/userfiles/file/talisigejaxejo.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/gurulezif.pdfIn PDF document text
  • http://abnicum.com/files/file/rugosifetareluxi.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/e8auoe3dqgtdg9jcfj4657o0u4/wegalivu.pdfIn PDF document text
  • http://maxidmum.com/images/upload/fck/file/pipatasazaruvi.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/dabuwurapigisudagazubusuj.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/41232476805.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077a1da0185c---fosada.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca79b5c39c---55709216627.pdfIn PDF document text
  • http://americusfelderfamily.com/clients/0/0c/0c5e5e27a4da9db51eb23c24aa0fa274/File/62112013927.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f717e10a0c---bexodabazasodo.pdfIn PDF document text
  • http://zge-led.com/luodan/images/userfiles/file/96345014979.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/82353815760.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/hnt1dpkmkvrtdk3a1fd9llc9jq/75908495688.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/92476717849.pdfIn PDF document text
  • http://dachastyle.com/userfiles/file/71826984976.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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