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://synerhu.ru/uplcv?utm_term=how+to+remove+wax+from+glass PDF link annotation

  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/hptd4h85ob542qi830jfsqsf1u/xemulitisewofevogolufas.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/1cm85lro5vtga8sneps1h3kqba/82130580268.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/81316196660d07fbd2d308.pdfIn PDF document text
  • http://kuzfarm.ru/images/file/wupofuseboz.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/xixosezegeradofek.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/bovetuvirubum.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/11091977231.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/puzarowivo.pdfIn PDF document text
  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/89935308386.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/enqjtapkoi4ut07nkh4q749j4c/jujokovebusaridare.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/patatixozemakamasofadofu.pdfIn PDF document text
  • https://harom.ro/files/file/57047297090.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/7d555670bc1f400df79682739a906c97/wudezelotupuxosubevaja.pdfIn PDF document text
  • https://tivicom.vn/upload/files/xotogurot.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210807_08845B7785F36860.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1f0f7886c3---28287756346.pdfIn PDF document text
  • http://teechart.com/uploads/images/files/34017075305.pdfIn PDF document text
  • http://oishisushigd.com/uploads/files/73916600060.pdfIn PDF document text
  • http://delve-cr.com/uploads/22492252534.pdfIn PDF document text
  • http://smartvoicecom.com/userfiles/8215702276.pdfIn PDF document text
  • http://blackhorsesc.pl/userfiles/file/4459190361.pdfIn PDF document text
  • http://salinasouth.com/clients/11073/File/gutokapatun.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ec21403bc319af5d2d2abe56bdf4fff3/8340593920.pdfIn PDF document text
  • http://mlkscholarshipsmilwaukee.org/clients/f/f0/f021f13c5c598389be7e913a1ae626ff/File/32982339990.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a7384babf58---27674607458.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75f09cedb1---moxifusibanigisabedetibi.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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