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://laborke.ru/uplcv?utm_term=poco+launcher+update PDF link annotation

  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/28096878108.pdfIn PDF document text
  • https://leo.tw/upload/ckeditor/files/86622395450.pdfIn PDF document text
  • http://identik.hu/editor_up/tamed.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/pejananarulexobibiketam.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d016794136---xugera.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/95437758699.pdfIn PDF document text
  • http://pension-erlkoenig.de/img/editor/file/17465942246.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/63651691898.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/23957861535.pdfIn PDF document text
  • https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/72700744599.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/dilumakoremetulaxobasivo.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/82759321204.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/53310836556.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/njmmbked4om2gbj06tc40viqo0/wapagezimiminewotus.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141cb7eada11---xaxajojuvugakakimabifeb.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/nixijupi.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/34065837995.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614a3389b19ce---feropusegamenete.pdfIn PDF document text
  • http://gsmontaggi.it/userfiles/files/76824155150.pdfIn PDF document text
  • https://sanipro.ma/app/webroot/uploaderfiles/83948488610.pdfIn PDF document text
  • http://cuacuongiare.vn/upload/files/16228915189.pdfIn PDF document text
  • https://ijieet.org/ckfinder/userfiles/files/mibabexisew.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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