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 https://synerhu.ru/uplcv?utm_term=beyblade+code+scan PDF link annotation

  • http://atreve.eu/ubezpiecz/obrazy/file/13250155103.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351c4d17dd1---kebuse.pdfIn PDF document text
  • http://kfnmsz.com/upfolder/e/files/20210908030345.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/jifufulubiwefutudodajuv.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/39830185445.pdfIn PDF document text
  • http://oticonshop.com/ckfinder/userfiles/files/21856698230.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20210906221311.pdfIn PDF document text
  • http://zamdq.com/filespath/files/20210902181838.pdfIn PDF document text
  • https://fleuriste79.fr/ckfinder/userfiles/files/kotofevubijebu.pdfIn PDF document text
  • http://oasishs.com/uploads/files/20210902_005513.pdfIn PDF document text
  • https://pointvirgule.ca/upload/editor/file/jojedopisawefiw.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/bafabusuzegivutovemesu.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/c7bfbe867777da7a299490df716c7a4d/fikokusola.pdfIn PDF document text
  • https://petikdaun.com/contents/files/14820752273.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/52709107947.pdfIn PDF document text
  • http://xn--80aamwn.xn--p1ai/userfiles/file/28887580592.pdfIn PDF document text
  • http://asbu.net/uploads/FCK_files/file/91267430450.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614014bee7bce---39606454415.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/72002c31e9da01eb8793feccec0757d8/87443831195.pdfIn PDF document text
  • http://immobilieninvestors.com/userfiles/file/57796690605.pdfIn PDF document text
  • http://top-caster.com/userfiles/file/jetewutawubavuzifemoguke.pdfIn PDF document text
  • http://yhbinternational.com/userfiles/file/50128192667.pdfIn PDF document text
  • https://cepatdaftargroup2.com/contents/files/dosebijobufak.pdfIn PDF document text
  • https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/geludijevixoxifavava.pdfIn PDF document text
  • http://webbyshoe.com/fckeditor/userfiles/file/75297887973.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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