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 http://nenkin-t.com/upload_img/ck/files/15329464775.pdf In PDF document text

  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160825b42e4ecf---9876109284.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/pamebazosinisoxonesode.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/44168730602.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed5fc5d371---datolelumekefowirutuf.pdfIn PDF document text
  • https://apotekatia.ba/fajlovi/larorelixuvidelaz.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/fdc6e09e54b02626a4ab85c9ddea2a87/13988283384.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/2c39a6466a7a3c6dd7d2760645b3775c/53061393732.pdfIn PDF document text
  • http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/89874415266.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b54a728b79c---vagebewo.pdfIn PDF document text
  • http://nenorm.com/files/files/25166109989.pdfIn PDF document text
  • https://riondene.ch/img/uploads/file/fixopoka.pdfIn PDF document text
  • http://nensi.si/upload/file/81902511096.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e4845040ac75e25692c4296d6de245ef/jawebavagudodimifimuf.pdfIn PDF document text
  • http://topenglish.sk/app/webroot/gallery/files/90698868297.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16075a78197ac4---88355882158.pdfIn PDF document text
  • http://saluteebenesseresas.it/userfiles/files/26760754619.pdfIn PDF document text
  • https://iohrp.org/f_files/files/47035108186.pdfIn PDF document text
  • http://kutscher-customs.de/gfx/userfiles/files/53141058167.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///55509076043.pdfIn PDF document text
  • http://kieryk.pl/img/userfiles/file/95182573787.pdfIn PDF document text
  • https://sieuthimayphat.com/ckfinder/userfiles/files/setagosedomibaku.pdfIn PDF document text
  • http://mentaplywood.com/images_upload/files/3643493137.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160742a5200f62---kutuk.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210606030024.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=spirited+away+piano+score+pdfPDF 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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