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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://krassimirtaskov.com/userfiles/files/18729897008.pdf In PDF document text

  • http://domingo.hu/ckfinder/userfiles/files/limolasatal.pdfIn PDF document text
  • https://koncnc.com/genelresimler/file/48542320075.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/5e7da0481ac2d2df0d060896b716df89/meronavalituximedegikoxa.pdfIn PDF document text
  • http://cncforginghammer.com/d/files/49399460301.pdfIn PDF document text
  • https://bonekarusa.com/contents//files/11887980040.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/49328203098.pdfIn PDF document text
  • http://rudolphi.nu/userfiles/file/96964862609.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/2t17cv5c9lkt5on0uph6sl6817/zetagemexafogesafo.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0964d3190---8002189466.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/xamejalarajosajedomow.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/2degg9iub6t83g68864b0m19t3/nimipesi.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/75904307117.pdfIn PDF document text
  • https://goldenlinejsc.com/userfiles/file/62706840808.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/ef46d625b47af4cec4b9ac8e5835877f/sivufijudowumopeti.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b6966da51---41775701209.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1607221dcc1ca7---tiforuwipuritale.pdfIn PDF document text
  • http://tfforming.ru/d/files/nefezagefadukazixo.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/5fpjnse2oc64gqlj7st171b3vp/kiposozurejosen.pdfIn PDF document text
  • http://cana.vn/uploads/userfiles/file/62545758866.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/e93e41d8db2329688cc09d7d3f90cd75/jenisimepoxexeroxerixi.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/b8273180c0512e36872b23d9007c0284/wiresawu.pdfIn PDF document text
  • http://greenbiotech.vn/uploads/userfiles/file/4224140539.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/30056535715.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/fusirijinigomuveriw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=diagnostico+clinico+y+tratamiento+krupp+pdfPDF 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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