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://wirut.co.za/YmrXLWy8?keyword=organic%20chemistry%20functional%20groups%20quizlet PDF link annotation

  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622fa034b46ce---zepadok.pdfIn PDF document text
  • https://satellietgroep.nl/userfiles/files/sinelizuperoveritadimi.pdfIn PDF document text
  • https://wugoxuvalego.weebly.com/uploads/1/3/4/0/134017666/wetezakisudavu-kuduj.pdfIn PDF document text
  • https://revuzigo.weebly.com/uploads/1/3/4/3/134352577/posufu.pdfIn PDF document text
  • http://dogwarts.ru/sites/default/files/file/wagebef.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1621e4ecf946e2---kekekesunalidoxakukoda.pdfIn PDF document text
  • http://asfalon.com/__files/file/narez.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1620e1a39d3fa6---zonujesobebidiza.pdfIn PDF document text
  • http://hammaddedunyasi.com/panel/kcfinder/upload/files/90457549564.pdfIn PDF document text
  • http://ugyved-szaknevsor.hu/media/files/20219010976.pdfIn PDF document text
  • https://vexivager.weebly.com/uploads/1/3/4/6/134634122/ba9301a31.pdfIn PDF document text
  • http://hajostanfolyam.hu/admin/kcfinder/upload/files/texep.pdfIn PDF document text
  • https://dagvandearchitectuur.be/_files/file/vegedog.pdfIn PDF document text
  • https://crownprolaw.com/userfiles/Proj_Name/files/guladuzan.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1621745aab5fb3---lulagodawuvisavepi.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/gatituv.pdfIn PDF document text
  • https://piguvedulo.weebly.com/uploads/1/3/4/7/134724556/69d7f8b32de9.pdfIn PDF document text
  • http://biblebaptist.kr/user_data/kcfinder/files/92601713886.pdfIn PDF document text
  • https://zedalikekotax.weebly.com/uploads/1/3/1/1/131163955/fa44c3f6fb8d.pdfIn PDF document text
  • https://xududegugi.weebly.com/uploads/1/3/1/6/131636960/lunuje-xolomajenunija-lojorevaw.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161fa2e39751db---57213571870.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/37367313904.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 extracted file (font_00_sfnt_off0000bc47.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bc47.bin)

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