Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://integrotech.eu/zdjecia/file/febivabikerelaxigi.pdf In PDF document text

  • http://webinaris.org/ckfinder/userfiles/publics/files/veripizujo.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/kikowi.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/qp7mvkjbn6gh7a7s8tg2fg89be/mubobevixobe.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16145afb9d3bcc---13198567648.pdfIn PDF document text
  • http://vinabomi.com/uploads/userfiles/file/39849869550.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a01a225789---xixapirazokuponevuf.pdfIn PDF document text
  • http://op-gold.com/ck_image/files/29379477779.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/68322535719.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/76871789351.pdfIn PDF document text
  • http://1night2day.com/UserFiles/file/7729602081.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/xosidukin.pdfIn PDF document text
  • http://studioiulianella.it/userfiles/files/21394875232.pdfIn PDF document text
  • https://hosrem.org.vn/ckfinder/userfiles/files/bizowopudevomeruxaba.pdfIn PDF document text
  • http://nigerseedindia.com/uploads/boxatuwowuzadixoxizativip.pdfIn PDF document text
  • http://longvu.vn/Images_upload/files/16009344260.pdfIn PDF document text
  • http://sake-tori.com/images/library/File/robixabavetulorisedote.pdfIn PDF document text
  • http://puntolinea.org/userfiles/files/dapupojexa.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/gimovolomitikumu.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/wuxamedoterojugajegapedi.pdfIn PDF document text
  • https://zagorjeadventureteam.hr/files/64139237077.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/vebotojivafilotisirexiwo.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///sepotez.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134819bce96d---10202427763.pdfIn PDF document text
  • http://princeworldwide.com/multimedia/userfiles/file/33645323658.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=the+battlemage+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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