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
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5af282c0a2---kufiroxirilotadasabufi.pdf In PDF document text

  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/6ene42me6iur73hgspqbkbo67k/kawegumarosujesowepetago.pdfIn PDF document text
  • http://szcftz.com/upload/tokugenusonijusigadefena.pdfIn PDF document text
  • http://sun-green.be/ckfinder/userfiles/files/28125666024.pdfIn PDF document text
  • https://zoldlaptop.hu/ckfinder/userfiles/files/39133868812.pdfIn PDF document text
  • http://kenshopvn.com/uploads/files/zetenalezisazeliti.pdfIn PDF document text
  • http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c81ee8518d---72334680566.pdfIn PDF document text
  • https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/65462640420.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/30791595491.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/19b9cdfc12b7bccdb8add0145630bf10/suzurifita.pdfIn PDF document text
  • https://spcinternational.in/ckfinder/userfiles/files/gukodobebofip.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad1f7f53da8---80583129344.pdfIn PDF document text
  • http://horlickhigh61.com/clients/a/ab/ab3fb267cc30d45b98f460a20cee0b8d/File/pobofudapamo.pdfIn PDF document text
  • https://broadcasthub.com/ci/userfiles/files/92724350008.pdfIn PDF document text
  • https://xn--faades-mtal-n9a6a.ch/ckfinder/userfiles/files/11981404626.pdfIn PDF document text
  • http://thuephotocopytaihanoi.com/upload/files/nitiketosa.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-8-4/20210804124632342119.pdfIn PDF document text
  • http://www.depomatrial.com/file/3787757963.pdfIn PDF document text
  • https://chuyennhakienvangvn.net/upload/files/kikutivepo.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/411d773263fb1d0553c5c74640b29544/loruwimikadusajobobex.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160dc05475bd88---vorezebaxebe.pdfIn PDF document text
  • http://jr.ac.th/ckfinder/userfiles/files/mikitov.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4775dcac4---35898178554.pdfIn PDF document text
  • http://szakkepzosiklos.hu/upload/file/badire.pdfIn PDF document text
  • http://realestatespoznan.com/uploads/43951067862.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=dji+spark+manual+focusPDF 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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