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://yoyep.co.za/YmrXLWy8?keyword=nys%20common%20core%20math%20standards%20grade%203 PDF link annotation

  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/demivexefeli.pdfIn PDF document text
  • https://orangevelodrometrail.fr/img/uploads/files/gigozuwimene.pdfIn PDF document text
  • http://www.historialmarista.org/js/kcfinder/upload/files/mukuta.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16242f1e072e00---43620490023.pdfIn PDF document text
  • http://home-hj.com/up_photo/file/dejididuwigawomitum.pdfIn PDF document text
  • http://aaykpn.com/uploads/editor/files/tigobedigug.pdfIn PDF document text
  • http://www.grupotresa.com/uploads/kcfinder/upload/files/74255782206.pdfIn PDF document text
  • http://mybooksite.net/kcfinder/files/46595681849.pdfIn PDF document text
  • http://herbwaterthailand.com/userfiles/files/milofugarozek.pdfIn PDF document text
  • https://vazatevetag.weebly.com/uploads/1/3/0/8/130874289/lutimekejodet.pdfIn PDF document text
  • https://ozanetiket.com/TasarimAcarnet/serhali/upload/files/6349677196.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1622d4d4836db2---mufegapuk.pdfIn PDF document text
  • http://elt-tm.ru/kcfinder/upload/files/43544845386.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/20610382796.pdfIn PDF document text
  • https://lexilovomab.weebly.com/uploads/1/3/1/4/131452944/7777630.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/c80668839a0117c076309fb2c1295d94/44510039271.pdfIn PDF document text
  • http://juentai.com/userfiles/files/dusisoto.pdfIn PDF document text
  • http://maychebiengoduykhuong.com/media/ftp/file/pomolupogetuwajuf.pdfIn PDF document text
  • http://zit-tech.com/userfiles/files/54213966808.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 extracted file (font_00_sfnt_off0000bf38.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bf38.bin)

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