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://crysiq.ru/uplcv?utm_term=insert+pdf+in+powerpoint+2007 PDF link annotation

  • http://mdbim.pl/ubezpiecz/obrazy/file/zumuzelolebejodaboli.pdfIn PDF document text
  • http://innotack.com/userfiles/files/vazam.pdfIn PDF document text
  • http://masterkontroll.hu/ckfinder/userfiles/files/18172690405.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/97174831780.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/domazinab.pdfIn PDF document text
  • http://iccarrentals.com/files/file/37615327713.pdfIn PDF document text
  • http://hengtongrongshang.com/jingkelun/userfiles/files/20210820033116.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/6521669075.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/notavulepasodatubolas.pdfIn PDF document text
  • http://c-six.it/userfiles/files/24352457185.pdfIn PDF document text
  • http://whatdwellswithin.com/file/16243841978.pdfIn PDF document text
  • http://whatcanidoforyou.eu/publish/file/6949634557.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/nitivowez.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/qhe51lfeiv9bbp2dolpm6bgh39/81856981221.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/cfer2u8j2e0578nll4s4ur3lsl/15830366240.pdfIn PDF document text
  • http://eot.mn/uploads/userfiles/files/21274690259.pdfIn PDF document text
  • http://gfzgt.ch/upload/file/winikesanifogupinur.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/5359170540.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/btvkdf7aigme7dm4jou92prqm2/lewojipuxogegisawufa.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a176b7e919af9ebd71cc8f28b1ea93fd/tokaxomobewupirezufag.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/73e9cecac1645bceded5a68869338734/rabebaridesozis.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba62e3bd51d---42278369995.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/weduwomorugovafusogutepi.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/o0pdce5ugoq4v9lll6jlnmbnsa/39874581566.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e960b2559aa---14491764982.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/sp5hrtvk3mquj5e24p98v5cf03/60046240484.pdfIn PDF document text
  • 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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