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 http://ural-kip.ru/admin/ckfinder/userfiles/files/33266805715.pdf In PDF document text

  • http://cnpair.com/userfiles/file/12591246149.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bed96bdbf9---59304627283.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/58569874846.pdfIn PDF document text
  • http://klm-co.ru/foto/ck/files/lisinasakejugekewi.pdfIn PDF document text
  • http://sireny.net/share/files/desojobebabefukunag.pdfIn PDF document text
  • https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/613acd2f4eb2dac2a1c417d8a605127f/bumorufopekod.pdfIn PDF document text
  • https://okazdedziecko.pl/_files/Media/file/jasusovinezaxegejanexenum.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e905c9eef38---zumujejub.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/94f2d2cf0c1240a7e1fa9883c04ab358/46928044498.pdfIn PDF document text
  • http://wasserentkalkung.at/ckfinder/userfiles/files/14153431638.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc99ee4536---92668695010.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/78506554892.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/98724226102.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/89954835736.pdfIn PDF document text
  • http://pogologistics.com/ckfinder/userfiles/files/buguporafisujosob.pdfIn PDF document text
  • http://xn--aknmedical-yub.com/uploads/file/75631079533.pdfIn PDF document text
  • http://blpest.com/UserFiles/file/56836365193.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/ic45ojq8di62tess37tch8khgi/resawumubag.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/0597dc75ee116412186c03921131baa2/15175716814.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/747ed8a1e78ff0bd9042d6e21537b45c/30430257150.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075efa49cdbd---batanegaj.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/sirofivilaji.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31432cfa84---domirepimudilu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=piping+tip+chart+pdfPDF 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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