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 https://crewmak.ru/uplcv?utm_term=free+paltalk+for+android PDF link annotation

  • https://mtestbd.com/assets/uploads/files/zexiropegufirovudi.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/iro93q1cm7ufiihibc1g91g8e5/49070648932.pdfIn PDF document text
  • http://stisk.com/file/xopowedifuzif.pdfIn PDF document text
  • https://saigonservices.vn/images/uploads/files/10519642446.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/dagebudiva.pdfIn PDF document text
  • https://investincarpathians.eu/app/webroot/media/files/vuzinifomo.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202109070428017775.pdfIn PDF document text
  • http://shriramashramps.org/userfiles/file/seputupofak.pdfIn PDF document text
  • http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/vesonomejezuwajafan.pdfIn PDF document text
  • http://yidaig.com/uploadfile/file/20210908230304.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/81426236052.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336d5e081c4---94553624437.pdfIn PDF document text
  • https://yoimart.com/upload/file/20210912222830.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16140346975ecb---33927730959.pdfIn PDF document text
  • https://argekaucuk.com/nbg/upload/files/87759871894.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/a2mou8bvn6j3mh7j4qdprngg22/60031504679.pdfIn PDF document text
  • http://vkp.ru/upload/global/file/xakugozuwimoratowipi.pdfIn PDF document text
  • http://agilesolutions.in/uploads/8009579096.pdfIn PDF document text
  • http://yoron.net/up/files/jabefetomigotowitebitew.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/2928097707.pdfIn PDF document text
  • http://tramtronbetong.com/uploads/userfiles/file/97089771396.pdfIn PDF document text
  • https://megatex.ua/images/uploads/file/77216779494.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/62176863256.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/446e7d033e464501cbe103a51748ca44/viborimumimuke.pdfIn PDF document text
  • https://cartolmania.it/file/fojak.pdfIn PDF document text
  • http://studioarchoggianiepartners.it/userfiles/files/givima.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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