Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://krisoc.ru/uplcv?utm_term=sinceramente+cristina+kirchner+pdf PDF link annotation

  • http://thaisomboonautopart.com/userfiles/files/dinutulasawofub.pdfIn PDF document text
  • http://medicentrumbs.sk/spravca/ckfinder/userfiles/files/89059889708.pdfIn PDF document text
  • http://cgl.lu/userfiles/files/93838689506.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/49813878473.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f09e2bf87b2c479c23936ec769e972e7/raxetem.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/56673233154.pdfIn PDF document text
  • https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/3148365813.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/99548316537.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/f506641022857538ab2ac679903c0ccb/biwagamasuvo.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/5t4kr8t759edt564gng3okhn4q/89649009762.pdfIn PDF document text
  • http://ros.by/ckfinder/userfiles/files/63796098565.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ebe510f30---86531535710.pdfIn PDF document text
  • http://etnorom.hu/pictures/74212874109.pdfIn PDF document text
  • http://fonnepal.org/userfiles/file/64974980784.pdfIn PDF document text
  • https://skatrip.com/basefile/skatripcom/files/zevero.pdfIn PDF document text
  • https://pomacanthe-art.fr/imagebeforeafter/files/23456948443.pdfIn PDF document text
  • http://goshaggers.com/clients/2/2c/2ce39afd4341152949bc146f79210d6f/File/99867922414.pdfIn PDF document text
  • https://ahirealty.in/admin/userfiles/files/26008840619.pdfIn PDF document text
  • http://cloverdiamond.com/file/nogiwaberodafu.pdfIn PDF document text
  • http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/69993095240.pdfIn PDF document text
  • https://menu2uplus.com/images/file/64671651991.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaccff4064---matubosuzajo.pdfIn PDF document text
  • http://greenhousehotel.vn/uploads/image/files/44834717481.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf6de55ded---timaditavubasafe.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/25551510451.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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