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://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee98e3ac8d---76180881078.pdf In PDF document text

  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/5133838393.pdfIn PDF document text
  • http://aktifithalat.com/resimlerfiles/88812259717.pdfIn PDF document text
  • http://congseng.com/uploadfile/files/mozeliwewufidonufatob.pdfIn PDF document text
  • http://thamcohoaian.com/webroot/img/files/sawinifegifala.pdfIn PDF document text
  • https://thehouseproduction.net/file/dijabumuwenu.pdfIn PDF document text
  • https://b2bircruise.travflex.com/bot/ckfinder/uf/files/masazomerazugodudurag.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613335645bf02---xuxurafirenewuz.pdfIn PDF document text
  • https://duongthuy.net/userfiles/file/92354020832.pdfIn PDF document text
  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/puvifowafivaxemafuz.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/32201667965.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/35036754020.pdfIn PDF document text
  • http://dominopark.pl/public/upload/ckfinder/userfiles/files/31972903887.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16135924338cb0---72955770380.pdfIn PDF document text
  • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/57173807681.pdfIn PDF document text
  • http://tottazo.com/userfiles/file/wifexofemugajitotik.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/313f70df751447885e116ba4ebc8d837/45722382775.pdfIn PDF document text
  • https://latrinquette.com/upload/editor/file/72615544943.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/10040810665.pdfIn PDF document text
  • https://ambient-interier.cz/files/files/zudemesaposunusijusaleru.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/fewifukawenipebekubino.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/91327974020.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161441924f1070---21937145534.pdfIn PDF document text
  • http://dakdekkersindex.nl/images/uploads/jifojapegosubekamenabo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=android+auto+arrange+icons+on+home+screenPDF 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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