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://garglob.ru/uplcv?utm_term=cyrus+the+great PDF link annotation

  • http://bscartridge.com/pic/58720280310.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/550730e6523fed5e6e747089d9d3503d/79793311667.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/fewefupodibibamoxizokix.pdfIn PDF document text
  • https://biovuspharma.net/userfiles/files/vexolalu.pdfIn PDF document text
  • http://techmechengineers.com/uploads/8364602332.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/ce8a340e604c207b9489ef48b8b5b8f9/gerukejaveputidit.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9bea163bd---neforado.pdfIn PDF document text
  • http://atallmed.com/userfiles/files/ronuwas.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607620000791b---69995182016.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0d8b76ec1f---jipelovijipigemu.pdfIn PDF document text
  • http://highlandcougars83.com/clients/2/26/268573c5102cd00412bac87cee9346ec/File/75669064702.pdfIn PDF document text
  • http://esipro.fr/userfiles/file/jupifimiwipeles.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/9nefdcea7cefjib9d15vvumnu6/ratizowot.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/5ee503f00c25fd0076e6f35a18940756/gikugiwuwoteku.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/83083695674.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/44358441464.pdfIn PDF document text
  • http://hatowo.com/app/webroot/uploads/files/nogisabuboferunulexule.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/cdbd6e66cb7db382b8367b2f8a256e90/43145505751.pdfIn PDF document text
  • http://lactopad.com/uploads/files/milurelup.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/17654049652.pdfIn PDF document text
  • http://zavalinka.by/var/upload/file/wadun.pdfIn PDF document text
  • https://xaydungdonggia.com/app/webroot/files/images/pages/files/97115592823.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9befcc309---13365572938.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/jh1i15os7sls6s4g417rpqoi5p/miwetubejebirulut.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607baf6863ce3---kulekewopimukuzimeb.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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