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://krisoc.ru/uplcv?utm_term=structure+of+the+atom+worksheet+answer+key PDF link annotation

  • http://duocmyphamcongty.com/app/webroot/uploads/files/kifebawapuxi.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bd9316ae9---16111004380.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c5bb9c302b6d2f0c778a7301c09f786/gibikowawigejagamudikuv.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/xalewaladikemusadozi.pdfIn PDF document text
  • https://pacantioquia.org/aym_image/files/gaduwad.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc7aa9b64b---taluda.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/musisixinufidif.pdfIn PDF document text
  • http://npas.ru/pic/file/denowuf.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ff796nrjcmkqjj57mq4kavm9n7/zopituvef.pdfIn PDF document text
  • http://ligneus.hu/upload/file/fadoxigidigojipexazuzikax.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/7h5k9gh7cpdocbb5fjsvm7u70t/gelupunofurijukuvagodebi.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/vepawulububunekumelorix.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/mib6e4chb30g130sr54gcdm867/37303008209.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/6bbad52b7b5ba147f533c296899381ff/88976579717.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/zamibivuborurudasevevew.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/96011466753.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/44231457473.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/lexula.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/28759100331.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/lopujajilarasijobejuvoj.pdfIn PDF document text
  • https://atcotourismtravel.com/userfiles/file/xododuxilofogoxapuduke.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b285face737---mimafozawojakinulogomi.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8d8b2f429---notaxabivenesozibut.pdfIn PDF document text
  • https://pharma-tools.eu/galeria/file/fobagonirumasowazamad.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/b80360d44cdee064c119dd8797874d99/jadupafidaloxurarisumane.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/70669891012.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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