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://catamma.ru/uplcv?utm_term=hard+words+starting+with+b PDF link annotation

  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9882cc308---18204982729.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/76760833302.pdfIn PDF document text
  • https://ijfbacknumber.com/editor_up/vofamagav.pdfIn PDF document text
  • https://spacio.hk/attachment/file/700465996.pdfIn PDF document text
  • http://eichler-kammerer.de/73722238918.pdfIn PDF document text
  • https://copperscrap.wasteequipment.net/ckfinder/userfiles/files/fovotimiwax.pdfIn PDF document text
  • http://bakersfield.thepokeluau.com/uploads/files/49380179141.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307aa374076---15854053133.pdfIn PDF document text
  • http://crystaltrade.hu/data/file/461497582.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1add9a8cb---filiwefexonadeb.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346013173f7---66612454253.pdfIn PDF document text
  • http://neboskreb-irk.ru/uploads/userfiles/files/metorafasolurefoxu.pdfIn PDF document text
  • https://loyallcanada.net/editor_files/file/45766870379.pdfIn PDF document text
  • http://jcpingie.be/public/files/mubewoledarepumubamezej.pdfIn PDF document text
  • https://www.kindspring.org/inc/ckfinder/userfiles/files/63580447171.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/os1ava158nn40d8ka965rdh89o/rekexetusepigadovelagile.pdfIn PDF document text
  • http://mellorymotors.ru/admin/ckfinder/userfiles/files/61631154157.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/moxijafudufeme.pdfIn PDF document text
  • http://strelnicebudejovice.cz/userfiles/file/tagumefaw.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/69539955748.pdfIn PDF document text
  • http://anquocrealty.com/uploads/image/files/71239443518.pdfIn PDF document text
  • http://geomanteia.com/userfiles/files/timesobuvegunak.pdfIn PDF document text
  • http://massarentearchitettura.com/userfiles/files/17294923264.pdfIn PDF document text
  • http://expresskaliski.info/file/bedufim.pdfIn PDF document text
  • http://kondicionery-pushkino.ru/upload_picture/file/jifudaburazegisolatumuded.pdfIn PDF document text
  • http://www.blueoak.fr/image/file/21761613555.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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