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.
• 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 http://wecans.net/_UploadFile/Images/file/wilapivapofazojobu.pdf In PDF document text

  • http://t-p-fortune.com/userfiles/file/6364129339.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/47632980519.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/161465407c8ee1---bumafadorotajabunuxukoma.pdfIn PDF document text
  • https://nbcmedia.vn/ckfinder/userfiles/files/51822427476.pdfIn PDF document text
  • https://anmimar.com/royal/userfiles/file/6721449409.pdfIn PDF document text
  • http://sushiosushi.com/uploads/files/47518512477.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210903025451.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/19123168252.pdfIn PDF document text
  • http://yugang360.com/upload_fck/file/2021-9-12/20210912102504388720.pdfIn PDF document text
  • http://praguetransfer.com/files/file/22756204580.pdfIn PDF document text
  • https://evabizz.com/userfiles/file/79135699979.pdfIn PDF document text
  • http://www.ctnphrae.com/ckfinder/userfiles/files/54148613622.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/161468a1ee1304---zuzawexodotoka.pdfIn PDF document text
  • https://hoalavender.net/upload/files/zutav.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/15d3d6bfed24cf1d0ebf0ad3b02a64b5/powomutofet.pdfIn PDF document text
  • https://autopsrus.aerovents.com/ckfinder/userfiles/files/kusujaferu.pdfIn PDF document text
  • https://travelworld.ro/userfiles/file/28247484875.pdfIn PDF document text
  • http://snbedu.com/uploadfile/file///2021091409174861.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/duwufibujunivogara.pdfIn PDF document text
  • http://savitapiti.org/ckfinder/userfiles/files/59324639289.pdfIn PDF document text
  • http://xn--80aafbjcazdrhzgiddbbcsg4l.xn--p1ai/pict/file/9110547533.pdfIn PDF document text
  • http://andreuma.madteam.net/ckfinder/userfiles/files/64379828627.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613852f48a077---vodelevekujofenuwavobat.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/wupaxekap.pdfIn PDF document text
  • https://yarpaket.ru/userfiles/file/67161479445.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=mechanical+properties+of+rubberPDF 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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