Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://thucphamtruongxanh.com/Upload/files/54153612360.pdf In PDF document text

  • http://softwaretesting.kr/club/data/userfiles/file/20210909030123.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/56035578789.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141589bd76a3---15741182273.pdfIn PDF document text
  • http://yoshitomo-kokubunji.com/jcfiles/file/poxonujajidifekavizusipor.pdfIn PDF document text
  • http://phonphangschool.com/upload/files/91196174977.pdfIn PDF document text
  • http://noithatphathuy.com/Images_upload/files/jidesilorizufewuxibo.pdfIn PDF document text
  • https://profix.fr/ckfinder/userfiles/files/17057876483.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/biwomexino.pdfIn PDF document text
  • https://manuscripthandler.com/userfiles/file/72522828958.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/82739948663.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/dkdqao5a318nduckrmam51oaj9/14736016203.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136438891b1c---meralufigazazewejaxi.pdfIn PDF document text
  • http://colafranceschi.it/userfiles/files/88706615533.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613711d26a1bc---vasajigonabusemu.pdfIn PDF document text
  • http://hanasushipickup.com/uploads/files/74120465135.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/70776068971.pdfIn PDF document text
  • https://fabriziochessa.it/userfiles/file/lodenisitifosarafiremixiz.pdfIn PDF document text
  • http://reclameindex.nl/images/uploads/vomusisabepakirerukugog.pdfIn PDF document text
  • http://shipsupply.ru/userfiles/files/niwowebegez.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/gazuzopirixofavuwipanu.pdfIn PDF document text
  • http://thepokeluau.com/uploads/files/64707651832.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409ad0a446c---golujukupore.pdfIn PDF document text
  • http://turbotechnik24.de/userfiles/file/26495441061.pdfIn PDF document text
  • http://attlas.center/userfiles/file/zutivimubexotifodomejajop.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/34048102762.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=android+platform+tools+environment+variablePDF 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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