Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://huntic.ru/uplcv?utm_term=how+to+self+scan+qr+code+on+iphone PDF link annotation

  • http://expertsystemgroup.com/file_media/file_image/file/39485360559.pdfIn PDF document text
  • https://reviewz.eu/app/webroot/files/userfiles/files/laxexenunidafekapuv.pdfIn PDF document text
  • http://askort.pl/Upload/file/tuxavigugokilonijugozus.pdfIn PDF document text
  • http://topspeed4wd.com/ckfinder/userfiles/files/28055991343.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/69470722096.pdfIn PDF document text
  • https://mtestbd.com/assets/uploads/files/24656535529.pdfIn PDF document text
  • http://yingtailong.com/upload/file/210908221729779206kljzxey4msau.pdfIn PDF document text
  • https://hgindustrial.eu/userfiles/files/26640814190.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16134022cd3db8---17872259192.pdfIn PDF document text
  • http://ageddfjtj.pretty-match.com/upload/files/6337883136.pdfIn PDF document text
  • https://stichtingech.org/ckfinder/userfiles/files/56746992422.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/1281253193.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/245a0f5b04bc015420dba1f43e397c49/42162759738.pdfIn PDF document text
  • http://cuacuontoanthang.com/media/file/82748026895.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161385c40140cb---mikos.pdfIn PDF document text
  • http://www.louisianarebarcontractor.com/editorimg/file/63589566798.pdfIn PDF document text
  • http://tiszaikaland.hu/upload/file/tipikizixebu.pdfIn PDF document text
  • http://himalayakebab.com/shipinc/userfiles/files/sewolixukovukuxaxowenoj.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/kirudor.pdfIn PDF document text
  • http://gloteckr.com/upload/editor/file/2517183353.pdfIn PDF document text
  • http://tienphat.vn/imagesflashupload/file/boridutusuvijejakase.pdfIn PDF document text
  • http://sieuthihatgiong.vn/webroot/img/files/kofituporatelefu.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/vumonikiwumorug.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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