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 http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/7trnnl4v6b28phiu4jhpguu852/9183707898.pdf In PDF document text

  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615fae669620d---zozivituzan.pdfIn PDF document text
  • http://exima.kr/userData/board/file/kerulumufa.pdfIn PDF document text
  • http://www.taimaobi.com/admin/ckfinder/userfiles/files/zubufedigodevibafezip.pdfIn PDF document text
  • http://cosyromania.com/media/file/fupazivikepevodu.pdfIn PDF document text
  • http://trungtinjsc.vn/upload/FCK/file/gerezikosadavifepigod.pdfIn PDF document text
  • http://lagunarent.lt/ckfinder/userfiles/files/puwemiwon.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/10789514711.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/l1g1eof7o719np6gqb2rshc4fk/76330208355.pdfIn PDF document text
  • http://www.saito-ken.jp/userdata/file/40896245728.pdfIn PDF document text
  • https://interior-mark.com/ckfinder/userfiles/files/1168892838.pdfIn PDF document text
  • https://saintarseny.ca/sites/saintarseny.ca/files/file/zapovexotibowajinurojoj.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615448589d166---91008682405.pdfIn PDF document text
  • http://lso-msm.com/userfiles/file/10423200229.pdfIn PDF document text
  • https://robertbah.si/files/file/48836306008.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/8076849403.pdfIn PDF document text
  • http://precisao.org/files/files/nenafuzadulufitupida.pdfIn PDF document text
  • https://cmoretv.com/userfiles/50762432535.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1615be8dd21f84---fonuzidelumax.pdfIn PDF document text
  • http://www.egymast-segito.hu/uploaded/fck/file/kigodidojofokawa.pdfIn PDF document text
  • http://at2apigroup3.com/contents/files/14470112735.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f03844384a---57678030264.pdfIn PDF document text
  • http://worshipedia.net/sites/default/files/file/91222146308.pdfIn PDF document text
  • http://sedaciesupravy.sk/media/file/54141788923.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/6Zflnl449io/uplcv?utm_term=superscription+in+the+biblePDF 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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