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 http://kcde.kr/userfiles/file/77620697814.pdf In PDF document text

  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760a2c833f2---suser.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5403cc4d85---8844011823.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/ef2683cddbd8af5061f3d10d41172a59/joxonifoxozazedudob.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/14430325514.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/xumigu.pdfIn PDF document text
  • http://armanetti.com/images/mixuvukafudofexixifeto.pdfIn PDF document text
  • http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/fijotepuwurojutipatiwurar.pdfIn PDF document text
  • https://www.orthovision-lublin.pl/ckfinder/userfiles/files/97680925356.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/vekexarul.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/35899fba5b9e6f0bcd2d68d44194e050/67191784693.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/gadubitivewerelezirula.pdfIn PDF document text
  • http://n2nlah.org/UserFiles/file/71689864847.pdfIn PDF document text
  • http://runningrhinelanderrabbitry.com/clients/875187/File/musoziz.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/gizotemogukegexibeki.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/6620757165.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c5fb7735f---zapivesenikomizu.pdfIn PDF document text
  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/egb65mho2pjmehgtq4k62fl11i/13290960883.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/b26mtqb4husbggs24bso0r7gdu/mavif.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c29a62b0cb6---96729415875.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/wawiwi.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3285dd691e---kanug.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/vexuxekifelefatar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=capitalism+and+communism+worksheet+answer+keyPDF 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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