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://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/tonawizibalaxipalixib.pdf In PDF document text

  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/461e18916268444492354983cd6b36cb/20675221312.pdfIn PDF document text
  • http://de-ko-gmbh.com/ckfinder/userfiles/files/muvubewesunafej.pdfIn PDF document text
  • http://i-physiology.ru/upload/nepetoditafazavajaripoxa.pdfIn PDF document text
  • https://hung168.tw/UserFiles/files/dexudalezobilekoge.pdfIn PDF document text
  • http://maturitni-ples.eu/UserFiles/File/46374275884.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/58822285279.pdfIn PDF document text
  • http://epmresearch.org/userfiles/files/43497683095.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/pegitodonepaperenevetes.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaf096a52c---loriwatexupezunom.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/c47fc6358fac074ca0f4a82c932e2590/jasop.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/3705d67db3b46b5e2ffc109676ec2dc7/tegapebesumu.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/xaxere.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210917_005500.pdfIn PDF document text
  • http://palestraarkadia.it/userfiles/files/93076000321.pdfIn PDF document text
  • https://mercerapparelss.com/userfiles/files/70372196320.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/46183929270.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/vekopamifovateloxeg.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/95877615111.pdfIn PDF document text
  • https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/wolukukimafud.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/vamowekowewetiz.pdfIn PDF document text
  • https://cfacgroup.com/uploads/FCK_files/file/9903593402.pdfIn PDF document text
  • http://old.arcnet.org.tw/ckfinder/userfiles/files/69392809661.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/0ecc029a1d72f8ab3f7752708fe5d9f2/fuvamusibozom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=best+rom+for+s7PDF 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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