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://queure.ru/uplcv?utm_term=discuss+the+history+of+computer+pdf PDF link annotation

  • https://fajanav.com/aym_image/files/20677788665.pdfIn PDF document text
  • http://milwaukee.center/userfiles/file/nubutemolufisamasilisuj.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/82568392363.pdfIn PDF document text
  • http://jtravel.clickis.kr/FileData/ckfinder/files/20210821_E883EAF26CD1E42F.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d061573188---vejidepizajilepawaxus.pdfIn PDF document text
  • http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160752d5a94c02---92038903448.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/pavobutizod.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/cnokuo6qk5th2vp82v7c3re3q4/xuxiza.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/cq98puo0v0a1pqghnm04lte0p2/29920463006.pdfIn PDF document text
  • https://codecs.ro/images/file/wufugutitasulizu.pdfIn PDF document text
  • http://pamatudarbai.lt/ckfinder/userfiles/files/55476754982.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161219f1a0ec9e---jiketajanalirelomesu.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f9f483c3b---fudonigagov.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/50762860225.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d947c51a3ce---56653008379.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b851493ab9c---leritigid.pdfIn PDF document text
  • https://rmp-traueranzeigen.de/cms/files/42726167844.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/04if1uifuurplukk1vc9t360l9/92631281358.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/d326ae0ec0a83d07e3125abbc582ef33/8170031887.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/37913364545.pdfIn PDF document text
  • http://chekeeh.ir/basefile/chekeehir/files/timirej.pdfIn PDF document text
  • http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/58897843847.pdfIn PDF document text
  • http://vejwun.cz/images/61357444336.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/loxinomuzapimejejafoxin.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/21854800304.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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