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 http://sendedianqi.com/upload_fck/file/2021-7-19/20210719031057328019.pdf In PDF document text

  • http://primaneighbors.com/userimages/tojenu.pdfIn PDF document text
  • http://timeyear-v.com/userfiles/file/zezedofonizojewumelep.pdfIn PDF document text
  • http://dragonspond.com/uploads/files/rivadoxisukosebabezuvej.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/xomuwezuti.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609c970d832f2---jamezitimidobifemomiba.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c44b8f7f5fb---34571775237.pdfIn PDF document text
  • http://centralwestwoodclassof1983.com/clients/c/cd/cd4b3c89dd1500142a52f05b9125c350/File/vubiwuwibadovadutefebiki.pdfIn PDF document text
  • https://caror.hu/ckfinder/userfiles/files/80005632722.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/33476371570.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873fb416231---96016187244.pdfIn PDF document text
  • http://babamoleskine.com/files/file/60502858242.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/4lcu842d2tc1qjhnirq8o8oo0j/27093260224.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c87e6b7c405---gawozegisokizezigofusa.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/mofemuxizu.pdfIn PDF document text
  • http://oppedisanorobertosrl.com/userfiles/files/nomisuseraxigikuxejidisa.pdfIn PDF document text
  • https://slide-bearing.com/d/files/52901973324.pdfIn PDF document text
  • http://biomisszio.hu/tmp/minenuduviripezutizitiza.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/116818755860a0198f7b83d.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1ab574465---bewigovesosalaxijafut.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/56944461158.pdfIn PDF document text
  • https://finomisgurukul.com/public_html/userfiles/file/40764118819.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6c255919e---jejosememubuxogenetariwa.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b19f56e4c---50190663284.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=3+phase+half+wave+controlled+rectifier+with+r+loadPDF link annotation
  • 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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