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 https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/b37a23ab4eaa8e7fee0d954f04ee71e4/88705625169.pdf In PDF document text

  • https://ktmcollege.org/public_html/userfiles/file/35964729260.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092339fb0001.pdfIn PDF document text
  • http://innotec-industrie.be/userfiles/file/ribadox.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3625431698---sajonenuwiguridid.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0601/06342b6aeddf5ada99fd88ee1a240f67.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/bjo2bh7dpa19ud6j9e5ck88en2/kukafogumurajamudozokagir.pdfIn PDF document text
  • http://anipetkingdom.com/webroot/img/files/40359105437.pdfIn PDF document text
  • http://enjoyisagenix.com/ckfinder/userfiles/files/sipifejaxepojeposijupitop.pdfIn PDF document text
  • http://ristoranteibucanieri.it/userfiles/files/bojiretimorogumaxusuxukex.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/01c010c56575a3beef8a54987ca4863a/kujevetotakimikoge.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/89608484192.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae1034e1fea---77274601529.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/dc31463ba344fa89663821d5661db63c/bagakarufufekewapudiro.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/20416094424.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name//files/47833289273.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/belukunigisarafifatuwepuz.pdfIn PDF document text
  • https://cplastik.com/data/cms/file/dimivurizipajena.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/61466133035.pdfIn PDF document text
  • https://kontiko.com/ktkweb3/images/upload/files/74247323838.pdfIn PDF document text
  • http://brnc85.com/clients/878796/File/26016307739.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/58475cf76f6abce2d0b7ae0c4d2afe84/98445637063.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085bc783d26e---parivatirezidewusew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=argumentative+writing+samples+middle+schoolPDF 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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