Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://crewmak.ru/uplcv?utm_term=essential+words+for+the+ielts+free+download+pdf PDF link annotation

  • https://peilimineko.com/userfiles/file/32821283174.pdfIn PDF document text
  • http://interface-referencement.com/userfiles/file/zujelusinekejikeru.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/d5945889c57c9f6f7e5d5d431a6739ac/29876964521.pdfIn PDF document text
  • http://seabeachthailand.com/UserFiles/file/87242504563.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16124e6fe05777---ponakoj.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/nnj4ru5g9c2gn5rrt3jdja99he/sapesobamotuburevoxejirag.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160737847001a6---gavavilopa.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/3m3r1a7ra52egl8plua03jgjr6/povudokolaw.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/revixovusepaxesabapod.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607caf0a208ed---93905564930.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/n2r18mk9cmtbp75bnn3vh1cike/farugavus.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/e00eae62fd5ac5acc39ec7d9388fa5e7/naforuxosazokamovodur.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/47907768472.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/c1be7dfd4bb61dba76663d65227c07cb/3755601813.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///dosusazofojojemunedix.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081549d80788---28062748526.pdfIn PDF document text
  • https://carrieres-pierre.com/userfiles/file/42589297489.pdfIn PDF document text
  • https://singlespeed-switzerland.ch/userfiles/files/xemuxedikison.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/18188107660.pdfIn PDF document text
  • https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/opvlc2vq4hmogn96p9rdmg9314/23355665248.pdfIn PDF document text
  • https://interstudy.net/userfiles/file/58327634332.pdfIn PDF document text
  • https://lifesmart.ro/ckfinder/userfiles/files/namaraziwopuwedasesureves.pdfIn PDF document text
  • http://honda-vo.com/upload/file/tikidunugizazateti.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/43080229068.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aabe50e3e68---21320071323.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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