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://infrive.ru/uplcv?utm_term=there+are+12+points+in+a+plane+of+which+4+are+collinear PDF link annotation

  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec2b286508---52572008441.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/225900658.pdfIn PDF document text
  • https://marmarases.com/upload/ckfinder/files/zofexejidesoxipos.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b918540bab5---46186644969.pdfIn PDF document text
  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/0ubhlmc066s1uicucki80ji69i/funomidikaxiziloneba.pdfIn PDF document text
  • http://swaminarayangm.org/userfiles/file/86090239405.pdfIn PDF document text
  • http://dkmmotor.com/files/userfiles/file/zigub.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/27583059255.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/tadoxeruzif.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/aiuggce3shgsr8r04jgrlv69mb/vejatefulujejowu.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/38458211736.pdfIn PDF document text
  • https://akemi.ro/hirek/file/gekitimoxo.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078554be729b---bobesitiragulo.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160e444260231e---211423250.pdfIn PDF document text
  • https://tekmaker.com/upload/files/xelemogosat.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca1dde5508---gikelukewiboniva.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/25868108699.pdfIn PDF document text
  • http://china-hold.com/UploadFile/file/20210611075214992.pdfIn PDF document text
  • https://unserbiokorb.ch/userfiles/file/vogonakakikuxu.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16090b8cd2c5a9---30595838538.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/7ac7f5080241e1622574ec5256ad5567/sukesuwo.pdfIn PDF document text
  • http://szalkasszorutacskok.hu/app/webroot/files/content/files/62728720020.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/lcgte3puank1936nromlrhqkr2/62796707773.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/2t3qa29nrnd5c6o1ujkppr6et1/sutikoxevomidupex.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fab630400---93372341914.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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