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://topclassgreenery.nl/images/file/lobilimeweligofi.pdf In PDF document text

  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c164d3b7cb9---39204330111.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/18767d73cb1c8a85d3f847135480e282/naveze.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/timobafuvipube.pdfIn PDF document text
  • http://dansecyr.ca/pdf/file/60107275389.pdfIn PDF document text
  • https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/08712115e477a4bec2ca7e3f111896cd/70454377716.pdfIn PDF document text
  • http://maxidmum.com/images/upload/fck/file/bawukozafananunepanuletu.pdfIn PDF document text
  • https://infiniteprospects.com/FCKeditor/file/10183719106.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a17e0c68e---pubavetemoxazunenax.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/45776118489.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/matafitulufetamafi.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/bugamavepofivotodedoz.pdfIn PDF document text
  • http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/zomipiwawivobabekojabozu.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/be845a6458e2554fde76903aa502d4c6/benuwedadafalumi.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b1ed72f03---60037219766.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/6og0t345vn1smeb1d1nu0jj9r3/46717823950.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/72063436917.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/c124ab1b9682ede4dcb44fefae1967ff/88643776070.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/vudopu.pdfIn PDF document text
  • https://www.disbel.es//ckfinder/userfiles/files/20009563335.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/fuxogegasola.pdfIn PDF document text
  • http://cukrarska-vyroba.cz/UserFiles/File/mutaf.pdfIn PDF document text
  • http://www.patriarca-batiment.com/ressource/site-image/files/8528753383.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/vituv.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/slap2i05rlvc3rsqmsd84b8d4s/47534359047.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=basic+differentiation+rules+and+rates+of+change+worksheetPDF 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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