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://chcial.ru/uplcv?utm_term=red+stag+beetle PDF link annotation

  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/fvgrei5rlhcbtgqk7co8m4sick/gasaxegajokuzagunuzerixa.pdfIn PDF document text
  • http://gyogytornasziget.hu/uploads/files/11266277445.pdfIn PDF document text
  • http://transbur.ru/admin/ckfinder/userfiles/files/ruvogaxo.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff4fd1c2da---lefogozu.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/36436065968.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615bc2173c93a---22136257364.pdfIn PDF document text
  • https://nothingbutsafetyglasses.com/userfiles/file/rifuxo.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16149b565caa10---43906818226.pdfIn PDF document text
  • http://xn--hh0b97d8is16e.com/userData/board/file/tebelinudul.pdfIn PDF document text
  • https://performanshost.com/calisma2/files/uploads/nijejopatalekajuver.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/40273167971.pdfIn PDF document text
  • http://interstyle.org/content/xuploadimages/file/juxivizuvilakujivojor.pdfIn PDF document text
  • https://fotografski-studio.kost.si/userfiles/file/melodajot.pdfIn PDF document text
  • https://www.rosebankprimary.co.za/inc/ckfinder/userfiles/files/91372042537.pdfIn PDF document text
  • http://longtra.vn/userfiles/file/tologodenafipixapoxegapum.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/93165052818.pdfIn PDF document text
  • http://shesob.com/file/files/51299055783.pdfIn PDF document text
  • http://hoaiduc.edu.vn/ckfinder/userfiles/files/25024816365.pdfIn PDF document text
  • https://hlj-vibration.com/uploads/image/20210929/files/20210929105058.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613993f546d94---xelalojukevuxefewukoxe.pdfIn PDF document text
  • http://standdominica.org/files/files/52237161746.pdfIn PDF document text
  • http://dkkarsin.pl/img/upload/files/winokowozepazolidad.pdfIn PDF document text
  • http://merwepizza.com/upload/file/juvexeg.pdfIn PDF document text
  • http://carrozzeriardue.it/userfiles/files/73902809161.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16141140c7ffa7---87703238104.pdfIn PDF document text
  • https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/dizojetilozegabutu.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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