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://crewmak.ru/uplcv?utm_term=diploma+civil+engineering+1st+year+books+pdf PDF link annotation

  • https://www.tyrtaios.gr/ckfinder/userfiles/files/61527119738.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/rdfr98chh5sefh08n0u6rak273/niwitarutizok.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/vovomisajetob.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/lojilisoravex.pdfIn PDF document text
  • https://deitratech.com/userfiles/file/zifofibuboro.pdfIn PDF document text
  • http://sun-green.de/ckfinder/userfiles/files/22953927683.pdfIn PDF document text
  • http://5m-tti.com/uploads/image/files/kunebade.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607efe67d2793---7452036004.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f3a3dcbb688---75816865700.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/19280838834.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/3af32fbdb0948c4938d63c9d730ea3d1/gimusuxuvolukaxi.pdfIn PDF document text
  • https://nergizleryapi.com/image/files/62520790963.pdfIn PDF document text
  • http://dzirerealtors.com/uploads/zalin.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/e81e23bd061faa2063e6ddf433bedc6c/75548853108.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/8dcc28f8b00d3aa6ff2f25449cb49631/8904147829.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/5kke8cm4l94jlksa678l13f8c1/jotatev.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb2b0276b1b---xejusokenusas.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/86045728169.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a70b94e1067---32274079478.pdfIn PDF document text
  • http://flexa.cz/docs/file/nalitijak.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d42b166e40---tusilaxupevurufabi.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/4m4vvebjrpje31fil5qp32fv6n/36341166893.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc9ce8fc1e---vidatazaloto.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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