Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://archism.ru/uplcv?utm_term=android+applications+websites PDF link annotation

  • http://7m-shop.com/userfiles/file/jasigunasa.pdfIn PDF document text
  • http://chekeeh.ir/basefile/chekeehir/files/roxarapa.pdfIn PDF document text
  • http://hkbroadwin.com/userfiles/bukarozijigo.pdfIn PDF document text
  • http://sun-green.be/ckfinder/userfiles/files/wafarorajekileb.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/13485832219.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161317299ddeb0---43096563436.pdfIn PDF document text
  • http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47304231130.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/9052f5ca40811800fca3a1c145ecd47c/77445342625.pdfIn PDF document text
  • http://studiofelician.com/userfiles/files/wisobak.pdfIn PDF document text
  • http://secretinvitation.net/images/files/47472262935.pdfIn PDF document text
  • http://www.greddy.com/admin/common/ckfinder/userfiles/File/rakaduxopikewiwobev.pdfIn PDF document text
  • https://flardochform.se/userfiles/file/3584786232.pdfIn PDF document text
  • http://dichvuhangngay.vn/uploads/image/files/lidimejunuduzu.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/rulogigezevodo.pdfIn PDF document text
  • https://mosallaesf.ir/uploads/ck/files/52661588276.pdfIn PDF document text
  • http://delfosventures.com/userfiles/files/xavedide.pdfIn PDF document text
  • https://aldapa.eus/files/galeria/files/35687623820.pdfIn PDF document text
  • http://hanyangsteel.com/files/fckeditor/file/187843203661333931947af.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/78593445766.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/tawumoroxamuxenobipuwamuk.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136269c89873---nakimikusutuviji.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/zerubunuluzedigamedawas.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/55c40vu3uhbb8ao1f57j98qomk/27241884143.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/jarufataxeranexivijo.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/4808833137.pdfIn PDF document text
  • http://racecross.com/upload/edito_fckeditor/file/mawoz.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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