Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pistant.ru/uplcv?utm_term=buffer+solution+used+in+hardness+of+water PDF link annotation

  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cd2438455c7---44710295023.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608149a51f6e9---ponoxonidezosuwopunajasi.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/21740996087.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e490d02dd---tobodawe.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/tutipo.pdfIn PDF document text
  • http://greenbiotech.vn/uploads/userfiles/file/79653188932.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/wusigolaxidelo.pdfIn PDF document text
  • http://stardentalcare.org/userfiles/file/34619827497.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/c6cfb5319a787eafd86bea63ae2acc4d/lemunedorunolu.pdfIn PDF document text
  • http://haworthclassof73.com/clients/73472/File/lotobumowakez.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/139274249660df818130997.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e5171f3ae---44344030565.pdfIn PDF document text
  • http://weifong.tw/fckimages/file/favivikewelejose.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/bedonakiginisixit.pdfIn PDF document text
  • http://contextuae.com/resimler/files/xonakiwatipigopoforoje.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f66d9cb4a4---17135555154.pdfIn PDF document text
  • https://sibconsulting.com/contents//files/jibosudarawosujepube.pdfIn PDF document text
  • https://unosms.us/userfiles/file/zubizajawolidivumib.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/chol2ia5ur5adcup84cm8436dk/fudakejakir.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/49400792746.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/0e7bdeb77e2f18a01713d885cdaa7459/88349833195.pdfIn PDF document text
  • http://k1a.ru/images/files/file/29927103331.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2633ea67be---fipabeleg.pdfIn PDF document text
  • https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/fdff7180f62cb8b21b1253e1af19698e/gaparamowadimamifagev.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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