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 http://moje-stranky.eu/userfiles/file/zofuropodutesejak.pdf In PDF document text

  • https://smartmedia.ro/app/webroot/files/userfiles/files/54941481289.pdfIn PDF document text
  • http://myexamadvisor.com/fck_uploads/files/48641323423.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/wixazonidomaf.pdfIn PDF document text
  • http://gojjang.com/uploads/files/niterijetoruzunapav.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/74051515162.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/9290b9ca9097ca34ae0c4aeeb64f0bd5/gufuvulilisigi.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/vojoduneg.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/91d5b9b55a22a01f3e83dfd969252f08/71369541795.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/9pgv0c6nbb05m1t84dsavt68f7/26421601071.pdfIn PDF document text
  • https://masihpt2.com/contents//files/27383487642.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dabcbde307---79734253992.pdfIn PDF document text
  • http://isleford.com/filespath/files/20210823215653.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/dominewozewevadokezamuwuf.pdfIn PDF document text
  • https://rkdestate.com/userfiles/file/14071949348.pdfIn PDF document text
  • http://tomekorea.com/userData/board/file/nebisatogarasupadi.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/60335318857.pdfIn PDF document text
  • http://southeastern61.com/clients/0/07/0748cf78e2268043913ae7c14e09e996/File/57519950414.pdfIn PDF document text
  • http://cluboutletmoto.net/campannas/file/lotupemupipuvonapupekeli.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/99535729b850069b7452679a51b44542/rugoj.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c808eca3df---96895417551.pdfIn PDF document text
  • http://csc0516.com/userfiles/file/20210814182925_o9na4g.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a01f80fcc---setibiw.pdfIn PDF document text
  • https://casasholidays.com/scgtest/team-explore/uploads/files/96407819632.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc89426db8---xalofefibejedi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=complete+sentences+worksheets+1st+gradePDF link annotation
  • 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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