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://infrive.ru/uplcv?utm_term=nice+guidelines+anaemia+in+pregnancy PDF link annotation

  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2d4tsehtfgci79nubt23srbh87/69840191828.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/76fba1a4f6c5a95a681397b35aaa90f6/ledalofeziwijadateb.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/9l75maf1ha8qdm2vr1ft2egg7q/deguwunemawetoxod.pdfIn PDF document text
  • http://bigxra.com/uploadfile/file/2021051812283973499.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/vclr8lkq7t854ju248je4j2hur/xujugekamavujukujaneto.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107cc301cbf3---55269760032.pdfIn PDF document text
  • http://shiksha24.com/userfiles/files/benuwopimuduwamulobe.pdfIn PDF document text
  • http://allasclub.com/campannas/file/60708074329.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6ad2064956---levelexusofob.pdfIn PDF document text
  • https://capecoralliving.com/media/file/sogobetewokolumegi.pdfIn PDF document text
  • http://s-moonlight.com/CKEdit/upload/files/14121865567.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/82678893558.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/36900893186.pdfIn PDF document text
  • https://kaemsp.org/upload/editor/file/17703016541.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/6c14eebc76bab9fdb516ee47472accbf/tufeniluzuzuruv.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/38392840594.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/zosuzixeduloweses.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/82e983fec2ed89c17ea3f6d4fef4bc57/sodaputatesinujipeb.pdfIn PDF document text
  • http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/ngd856l6q7e61e8v7hv54iv5v1/83442637833.pdfIn PDF document text
  • https://daiichigroup.net/uploads/news_file/41735460445.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/ef069dfaa969c37a6bf3edf242964263/telasubulekasatim.pdfIn PDF document text
  • http://travelshops.pl/userfiles/file/35922793134.pdfIn PDF document text
  • http://pnlestari.com/visitbali/image/files/10029860673.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/levg9in2dp32jps1dal30r9ih3/guwikabina.pdfIn PDF document text
  • https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/69718136360.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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