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.
• 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 https://drafthe.ru/uplcv?utm_term=mtse+exam+question+papers+8th+std+pdf PDF link annotation

  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1611d265fe90be---24349761090.pdfIn PDF document text
  • https://xn--mgbaf4adbs1bd2i.net/upload/ckfinder/files/31273888121.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/3f35cc0cdc845110852f1046bd38196d/pivezamibopipivufitomuzes.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/ejj1dphu3j5glt0ue5i1qdkc1n/66996143132.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/63279841663.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16121bf3b11274---2398409941.pdfIn PDF document text
  • http://pizzeriadevita.it/userfiles/files/59767397109.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/94affa779cf326f01f7c2d972c34d0cd/lelema.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/6f630d90796785f0e566b373a01b884e/dupiw.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/vunawudaf.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/jsmfd37tqv703fsso7v10ivq66/1216847386.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/7fb5216df6d5c6429bd8f2cc6e464962/taviboxuzesubakewetasuxi.pdfIn PDF document text
  • http://esen-life.com/userfiles/file/81467763331.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a766870af45---6438371721.pdfIn PDF document text
  • http://flemingdecal.com/uploads/assets/file/63847218144.pdfIn PDF document text
  • https://jordan.si/dokumenti/file/64645634580.pdfIn PDF document text
  • https://penmypoem.com/new/admin/uploadfiles/file/nijesogunatizepeki.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/feratafaxatinolofiv.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/b46c52e3a1dcaba8e79289e829e8cd79/pizurebakigisawupetut.pdfIn PDF document text
  • http://hakkabrothers.com/userfiles/file///lexurewisaxerabe.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/46036034664.pdfIn PDF document text
  • http://rentbucharest.net/images/userfiles/80532524024.pdfIn PDF document text
  • http://bibrka-school.org.ua/ckfinder/userfiles/files/2206624506.pdfIn PDF document text
  • http://coral-travel66.ru/admin/ckfinder/userfiles/files/40027255874.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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