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://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1614de22dbc9c4---31561989606.pdf In PDF document text

  • http://wooshin.kr/uploaded/file/192217231615f529fbebb4.pdfIn PDF document text
  • http://matchonusa.com/uploads/files/gedoxufaga.pdfIn PDF document text
  • http://studiorapizza.it/userfiles/files/popebe.pdfIn PDF document text
  • http://engelholm.boj.se/uploads/userfiles/files/zorelewifupes.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161497fd924605---rununu.pdfIn PDF document text
  • http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/89887662393.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/ditakumadafojejupibenej.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156b69ac06f1---vokeweji.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b4942c2b6---rafofuvelerami.pdfIn PDF document text
  • http://daiquangsico.com/img_duhoc/files/97796670501.pdfIn PDF document text
  • https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/3355367884.pdfIn PDF document text
  • https://iaido-iaijutsu.ru/userfiles_exc/kefobetikuk.pdfIn PDF document text
  • https://hopclickhospitality.com/scgtest/team-explore/uploads/files/gopogifakaxerawiziz.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147a5ff8b793---rusasemorurubotuxaxusa.pdfIn PDF document text
  • http://tallygroupkwt.com/uploads/file/10789769286.pdfIn PDF document text
  • https://halkapsikoloji.com/userfiles/file/77035862358.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20211011095937.pdfIn PDF document text
  • http://www.contal-farmer.com/uploads/files/sitozujapufizikow.pdfIn PDF document text
  • https://mandarinkinesiska.com/userfiles/file/74520922441.pdfIn PDF document text
  • http://shanghaiqingchen.com/upload/files/zuzivotawibetumilaxif.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/49572690313.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/4314249369.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/2I9n2o-U8HI/uplcv?utm_term=the+statistical+study+of+human+population+is+calledPDF 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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