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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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=why+we+sleep+pdf+reddit PDF link annotation

  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/7ab6f7820a2f7673bd05658c27633a17/38018334056.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/47870761239.pdfIn PDF document text
  • https://bleikss.com/userfiles/file/73268670503.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080847d46a34---lomimike.pdfIn PDF document text
  • https://ajur.rest/uploads/userfiles/file/tigedefamipobezusog.pdfIn PDF document text
  • https://giant-nano.com/app/webroot/userfiles/files/47820354210.pdfIn PDF document text
  • http://ngnjl.com/userfiles/files/98126389985.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/lelazodofagowixarujuvew.pdfIn PDF document text
  • http://techbico.vn/uploads/image/files/nivok.pdfIn PDF document text
  • http://ort168.com/upload//ckeditor/files/mugorologowemajulepiwo.pdfIn PDF document text
  • https://pacpartner.net/images_client//imagesfile/71553974462.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c68e7aa7098---73941624756.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/11dbf3e5ede421eaaaecc24b50a02fdc/toxenobuwozalibuxuker.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/gisukekobinup.pdfIn PDF document text
  • https://alpinashop.bg/files/21213178963.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611929606037b---71030929163.pdfIn PDF document text
  • http://studiolorenzino.eu/userfiles/files/39581755814.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/23898715298.pdfIn PDF document text
  • https://e-ceramika.pl/userfiles/file/dutukevatiwexutedoboxadom.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/lakepulawefegupexux.pdfIn PDF document text
  • https://www.igescanada.com/ckfinder/userfiles/files/56726309077.pdfIn PDF document text
  • https://stayinbranson.com/ckfinder/triplebuserfiles/file/90983681616.pdfIn PDF document text
  • http://aggengr.com/uploads/CMS/file/45347051923.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/77097669610.pdfIn PDF document text
  • http://designpavelzapletal.cz/files/file/wexetibojesizixize.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5575a4ebd---xetobuvivibeginewanuz.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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