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
• QR business-process phishing lure high SE_QR_BUSINESS_PROCESS_LURE
  Document asks the recipient to scan a QR code in an HR, payroll, compensation, employee-handbook, DocuSign, or business-signature workflow. This is a high-signal quishing/social-engineering pattern even when the QR payload cannot be decoded statically.
• 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://asiastudy.in/ckfinder/userfiles/files/12632210704.pdf In PDF document text

  • https://komunalno-vrgorac.hr/files/sugifop.pdfIn PDF document text
  • https://georeno.ca/userfiles/files/77705168717.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee033392ed---90874262715.pdfIn PDF document text
  • https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/18491414849.pdfIn PDF document text
  • https://daqing-jewelry.com/uploads/files/202109122315529958.pdfIn PDF document text
  • https://siam-royal-view.ru/data/files/nupizojida.pdfIn PDF document text
  • http://jamalcar.com/userfiles/file/nutoraz.pdfIn PDF document text
  • http://tydafa.com/dafa/uploadfiles/20210926124854.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/pofogulevebejol.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613df7c94fa6f---48269981396.pdfIn PDF document text
  • http://duocthientam.com/uploads/ckfinder/files/31546244229.pdfIn PDF document text
  • http://jszl-rolls.com/filespath/files/20210907095433.pdfIn PDF document text
  • https://luatsuavina.com/userfiles/file/bapex.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/fenuzofokedopatuxowim.pdfIn PDF document text
  • http://betonkeritesek.eu/Content/files/98528912913.pdfIn PDF document text
  • https://hiroyoung.com/data/files/33202471129.pdfIn PDF document text
  • https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/89298344799.pdfIn PDF document text
  • http://newworldss.com/uploads/file/82265189417.pdfIn PDF document text
  • https://duragloss.pl/userfiles/file/lewesido.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16141b31cd0f4b---kexakimavowexurukadig.pdfIn PDF document text
  • http://thegioioto.store/upload/files/minajonomuluv.pdfIn PDF document text
  • http://servis-hradec.cz/files/file/27038007239.pdfIn PDF document text
  • http://eiffelflowersquesnel.com/userfiles/file/87030281136.pdfIn PDF document text
  • http://srmtteaparty.com/uploads/files/202110021909473833.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/82494204388.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=gal+and+galPDF 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 extracted file (font_00_sfnt_off0000c5ee.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c5ee.bin)

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