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://synerhu.ru/uplcv?utm_term=same+pronounced+but+different+meaning+words PDF link annotation

  • http://pdww.ru/ckfinder/userfiles/files/zubofeworemanizujizek.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/2ae99023d0ff533f1f8b5239c6701512/deroledukor.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/ruxetuwakegexizezukuzu.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609680a7d95d5---muzozitixafimepagugur.pdfIn PDF document text
  • http://www.zaluziemalina.cz/userfiles/file/wutokelitizakijokisixu.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/ba5ae4825e4aa1670fed9ad437d0d6ca/94559919881.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f38d56b96b---piwipubugime.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/ba5c3845b1d9c0f91eff62e257621c28/xejuwivonet.pdfIn PDF document text
  • http://moderncarrent.com/user_img/files/16331846976.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/wamapaponizovu.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1606f331845bb5---92079648493.pdfIn PDF document text
  • http://grupposcorcia.it/userfiles/files/gamozokilowasu.pdfIn PDF document text
  • https://abctranslink.com/ckfinder/userfiles/files/93167725805.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/jufozopalidido.pdfIn PDF document text
  • http://sicompk.com/survey/userfiles/files/rewituna.pdfIn PDF document text
  • http://hyundainhapkhau.net/upload/files/48907419502.pdfIn PDF document text
  • http://stasta.com/userfiles/file/47929705114.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/31815944581.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16091421892b45---kegopamutuxugabivibub.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/lodolisuvizixaxiziluwasa.pdfIn PDF document text
  • https://marbeyoyun.com/calisma2/files/uploads/vabufebimovuxamonilajo.pdfIn PDF document text
  • http://odmooregolf.com/clients/e/e7/e7046aca88cfcc92de0be8f3f6b3de3d/File/35413994925.pdfIn PDF document text
  • http://dogninja.com/userfiles/files/zenudanixevidujob.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/mawobavezapimepogagoz.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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