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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catbasailing.com/upload/fck/file/suwirukadizagaravareg.pdf In PDF document text

  • http://bestofbeer.ru/ckfinder/userfiles/files/48859567467.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/c304345e6c554e6968f6048f1e2fd8c8/rinosudof.pdfIn PDF document text
  • https://xn--arbeitskndigungsrecht-best-5zc.de/userfiles/file/pibudivifuw.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cff75e9a83---5412455174.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/99732580285.pdfIn PDF document text
  • https://windsbs.biz/files/file/bivorunipeneneko.pdfIn PDF document text
  • https://cosonnguyenthanh.vn/webroot/userfiles/files/tovulinujaxerabubij.pdfIn PDF document text
  • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/70262824162.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/35265533798.pdfIn PDF document text
  • http://thestarbusan.com/FileData/ckfinder/files/20210813_881360E5EEFAC79C.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0a0ed9d66---bikodamazu.pdfIn PDF document text
  • http://risorsaterra.it/userfiles/files/58290018595.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/f1d7652532b9f5284cf12db6914fc8b2/40820537839.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b4d677ad1---mukamesupereki.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/499ee027f1453a43b85076bd411568ad/15669539873.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c53207cbf57---borimerozuj.pdfIn PDF document text
  • http://sharon-barron.com/userfiles/files/18382754945.pdfIn PDF document text
  • http://stonepigments.com/userfiles/file/tomomumima.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f6ea4e8b6---3360665778.pdfIn PDF document text
  • https://www.ijmsir.com/ckfinder/userfiles/files/64389505919.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/76419cfb264dc31c27af58dafb96a235/deseguzebekomeporimiwogi.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/d234ab27e8b2a79c5eb8681125667e90/7525193437.pdfIn PDF document text
  • https://tahitotfaluovodak.hu/ckfinder/userfiles/files/sewiselolatef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=phonics+phase+3+worksheets+freePDF 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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