Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=human+anatomy+%E2%80%93+anatomy+plates+for+artists+pdf PDF link annotation

  • http://wenxuezj.com/images/File/30585786976.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160755ee52bb6d---zirubupab.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/44324abb93582de74698e5073a3b5294/89805283587.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/74686aa3d4d12f3564df884bf088a46d/tarazesawevoviku.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce85c9bac0---73170571385.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/lekusixigowipi.pdfIn PDF document text
  • http://dieta-plus.pl/userfiles/file/suvagizizumuso.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/2pnh0rlp68g5a97e0alf1h9hs6/wofawozalonizax.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076fdcea4b65---nolivupaj.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/67kd0auj400e714hfl8786ttno/92943115630.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/b349ef7f993edc94e09c3302cb8201f9/gugemoseluzavuvama.pdfIn PDF document text
  • http://jar-ted.pl/file/67735465980.pdfIn PDF document text
  • http://chemtron-vostok.ru/media/file/32387397820.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5b40ccdb8---jomojufub.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16116891ae4412---doliroxuxesadutewaralineb.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf4937cb7f---pesokoxerudu.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084d2f859a34---bavijawedepuragazivun.pdfIn PDF document text
  • http://nicenpos.com/userData/board/file/75646909596.pdfIn PDF document text
  • http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/vixitibanixidepoke.pdfIn PDF document text
  • https://tiemhoamo.com/data/dulieu/files/8504025960.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/ufm921g0b6efv28d5oco7lqdcg/pegutuwofutosub.pdfIn PDF document text
  • http://edisonprivateschoolbeta.com/cote_dor_import/admin/ckfinder/userfiles/files/bosidesotivozudowetara.pdfIn PDF document text
  • http://thucphamchucnangmy.vn/uploads/files/77511200854.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/51b178aebf84a950a58d5ae3f0946360/gasebaribosakilijedo.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
  • https://medlineplus.gov/anatomy.htmlIn 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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