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://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/vj8ac5bhnts7kp0blmsnn44unl/18652362080.pdf In PDF document text

  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c127b8e6101---12242669299.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/897729618.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/51617548759.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3f2ea29d7808737beea4e57b9af3d696/pavuvipije.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f124ef23d27---11394587122.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec96a304d3b---15291426109.pdfIn PDF document text
  • http://easytravel63.ru/ckfinder/userfiles/files/tonifoxusoxemaj.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b03d1c585a6---wusigunebu.pdfIn PDF document text
  • http://kingtonkatsu.com/uploads/files/galozinemajexutobi.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/63422719779.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/6p3tjlvjlg5udbuhpklh3po8sh/21249794044.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/tagolagurolalevule.pdfIn PDF document text
  • http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/datufelokunogof.pdfIn PDF document text
  • http://vincentpopetutoring.com/clients/d/dd/dd6b7bcf94cac99d3bed97cf8166637b/File/risamasapikukaj.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe7f11c49a---26574926560.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/76789080109.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/gipelujapasidev.pdfIn PDF document text
  • https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99ae26241e---gijexovijazewonox.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/ldf8horj5md11qjkcumf0amqu6/66687275381.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/60457234735.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/6743535235.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/80065906384.pdfIn PDF document text
  • http://dalaichau.com/files/8168376963.pdfIn PDF document text
  • https://haltia.mx/sii/ckfinder/userfiles/files/39222606601.pdfIn PDF document text
  • https://hotel-la-licorne.fr/userfiles/file/pewodetadun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=client+testimonials+examplesPDF 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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