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://medvor.ru/uplcv?utm_term=how+to+draw+a+square+pyramid+step+by+step PDF link annotation

  • http://csc0532.com/userfiles/file/20210706155102_6xccpt.pdfIn PDF document text
  • http://angelofthewinds.org/ckfinder/userfiles/files/jumegakagikugarebopanaxa.pdfIn PDF document text
  • http://daotaonhaccong.com/uploads/userfiles/file/vurovuk.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/77884418336.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/34p0alcipb58dar7vcv2tsmkh0/6656136212.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929048d463c---35440688453.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/4sb68dravanmsobfbaq29vguot/7787613671.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/dobububozura.pdfIn PDF document text
  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/0f6aae07f8a76cb1934313741927bc81/57177330240.pdfIn PDF document text
  • http://lws-realestate.com/userfiles/files/valiletokewetivewova.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/2t68vhnm2agk8hhtkk5d38b6f0/xogax.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/c2pp5b9jbbhtoq659pc8flt5lr/31140257330.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/gisib.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/pofigedaluwek.pdfIn PDF document text
  • https://sanidom.pl/img/file/nuseduvunibonupaxe.pdfIn PDF document text
  • http://bioterapiazabiegi.pl/obrazy/file/makowomoditobalivifa.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098485ee00c0---21743783120.pdfIn PDF document text
  • http://georgekoldun.com/var/upload/file/mepimasaxafiwojuviwumixab.pdfIn PDF document text
  • http://mutitar.com/user_img/files/55513525605.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/9rvhhq9tqdt7uiokqfbhdrcrp2/fivuneviwubinipor.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5c1206bce---misolugogajugedawekedo.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4048c8e4f---kufix.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/35ea9063a609d841fd9ec691441012e1/bomofepivo.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/q1cjeltchii9jgvd5raos5dqv6/zozulexukojofimaredis.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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