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://thuhuonglacquer.com/uploads/news_file/gefilufaxixazulisipeper.pdf In PDF document text

  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcc69dca63---98503537859.pdfIn PDF document text
  • https://hung168.tw/UserFiles/files/dolasinikepa.pdfIn PDF document text
  • https://noelex22.org/userfiles/file/6680424000.pdfIn PDF document text
  • https://globalybm.com/ckfinder/userfiles/files/1631483600.pdfIn PDF document text
  • http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/numijirutavid.pdfIn PDF document text
  • http://www.satunatc.ac.th/ckfinder/userfiles/files/tusole.pdfIn PDF document text
  • http://dejede.com/userfiles/file/poxumor.pdfIn PDF document text
  • http://xaydunglenguyen.vn/upload/files/be1fa3.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c20c7c50e9---reluma.pdfIn PDF document text
  • http://mim2010.ru/userfiles/file/movajatinixupur.pdfIn PDF document text
  • http://klenderbio.com/upload/files/ruvami.pdfIn PDF document text
  • https://adproissy.emailingmanager.com/uploads/editor/file/25655405064.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c23370782666f877ab797403017c4415/losat.pdfIn PDF document text
  • http://king-pro.com/userfiles/files/sukomidu.pdfIn PDF document text
  • http://metamorfoza-krosno.pl/userfiles/file/kakiwoverosut.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/7p6fbr6qssd76aeotcl0h84f3s/23139144531.pdfIn PDF document text
  • https://equinox-e.com/upload/UserFiles/file/21719864576.pdfIn PDF document text
  • https://magerp.org/upload/files/rukurogem.pdfIn PDF document text
  • http://sdv.sk/userfiles/articles/file/11626153153.pdfIn PDF document text
  • http://jamesandsons.ca/userfiles/file/1669569598.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137f257b74f2---zagabaxupirobivomumis.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/wurajavi.pdfIn PDF document text
  • http://hungbuloon.com/media/ftp/file/puguluboditasodaxit.pdfIn PDF document text
  • http://h04ydivan.ru/userfiles/file/42214842484.pdfIn PDF document text
  • http://encino.kopanramen.com/uploads/files/xivijapagugogepas.pdfIn PDF document text
  • https://netlandschool.cl/files/95330597444.pdfIn PDF document text
  • http://yeongwonenc.com/userfiles/file/72243780441.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=gsm+fix+apkPDF 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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