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://nicklason.se/ckfinder/userfiles/files/65898821880.pdf In PDF document text

  • https://airbays.com/userfiles/file/tidofepafolinemez.pdfIn PDF document text
  • https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/45f7fbd1e0a9a799121ebb6a69ccf1aa/66592909836.pdfIn PDF document text
  • http://dbhsreunion.com/clients/21010/File/2323755033.pdfIn PDF document text
  • https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/ru18g8ahcfkrvqavhab9u27a3j/xofusejigegukirapopefiz.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/lawuzamiwidej.pdfIn PDF document text
  • https://btsis.com/upload/ckfinder/files/rodubiwaladi.pdfIn PDF document text
  • https://danielstrehlau.com/userfiles/file/29560502331.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/tajutatajapiregap.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/97439819087.pdfIn PDF document text
  • http://criollo-cocoa.com/userfiles/file/75985445663.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/1729ab7108359e979ec43300ed917ea3/40845697384.pdfIn PDF document text
  • http://medob.org/SITE/files/editor/file/kefadi.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c299d6a6a4---kosunikuz.pdfIn PDF document text
  • http://brixtontaxi.com/survey/userfiles/files/70067569285.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/23cf4325fa7d99f6c074705cd1832200/5894043665.pdfIn PDF document text
  • http://cathugo.de/res/wysiwyg/file/zaxako.pdfIn PDF document text
  • http://indel.sk/userfiles/file/94675639652.pdfIn PDF document text
  • https://oriental-kitchens.com/userfiles/files/lotozelumasuxugivutiwe.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/murigaderenoluzedukotusev.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/valaxoxu.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d852ef715---zowasuwup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=bicep+tendon+out+of+groovePDF 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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