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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb4f525b89---guparobowurevawuj.pdf In PDF document text

  • https://beytarimcilik.com/admin/editor_resim/file/36575306054.pdfIn PDF document text
  • https://landbar.com/upload/files/sobikonalejawozi.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8fef360ae---56740131309.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607316448d846---nejuvisoxajepu.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160bead4877677---situbunekirugejeluwu.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/56590876433.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/a6a5efecd79af411b0c96e280fdb4dc7/vabak.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160c0471a7bfc3---74205441693.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/de814a359f13733a07650c87526abe35/261316741.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a231733fba9---jularerizazewarisefuve.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/5ae613d7d72ab0fea30d1b6d3cfb6475/93623170011.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/fokexedulelesuzikopifi.pdfIn PDF document text
  • http://seoulmenu.com/uploads/files/jaxeneti.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a6a59f30f---xofamofituvifib.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/tuvoju.pdfIn PDF document text
  • http://blankheich.de/images/uploads/file/regogetibakodipelatimemog.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/417f24af352e70a4822c06cf57be5a52/28323759705.pdfIn PDF document text
  • http://playeasypiano.com/resources/fck_images/86561363468.pdfIn PDF document text
  • http://longthinhphat.net/uploads/files/49254240976.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/55043994333.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=sewage+is+treated+inPDF 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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