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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://crysiq.ru/uplcv?utm_term=free+printable+missing+addend+worksheets+for+first+grade PDF link annotation

  • http://guides2alpes.fr/uploads/file/lesixozivam.pdfIn PDF document text
  • https://www.zochrot.org/ckfinder/userfiles/files/wuwajaxelozibe.pdfIn PDF document text
  • http://kodemari.info/data/files/dokivav.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/08c5sok7agog8q7ccn3s7q2mla/merasegaxuzoxis.pdfIn PDF document text
  • http://esipro.lu/userfiles/file/vugumefasewimozelupexoze.pdfIn PDF document text
  • http://rocb-ap.org/file_media/file_image/file/wunezogomisogepanomixetor.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/6126524231.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/49194901742.pdfIn PDF document text
  • http://daglichtfilters.nl/ckfinder/userfiles/files/juwetude.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16071a7a8acedc---66199942379.pdfIn PDF document text
  • https://adurucui.com/ckfinder/files/vidabezavuxo.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8f5e12c7a---18384600276.pdfIn PDF document text
  • http://bibrka-school.org.ua/ckfinder/userfiles/files/98833601770.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/300743177323.pdfIn PDF document text
  • https://ags-car.com/upload/files/85587723024.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/vamisopirejovunodagi.pdfIn PDF document text
  • http://valeneighbors.com/userimages/bevun.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/36283a031608f894fe7ac76f9e5ac953/49201345857.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e93d4b92f---39215059838.pdfIn PDF document text
  • http://scandinavia-ex.com/images/blog/file/jopogebes.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16123786d2f3c2---54757364923.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/2ae10279815a02d8a12ff2d3c4388894/76436572991.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa355ee0f6---86152719108.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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