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://bfr-bialapodlaska.pl/userfiles/file/revafamikivamamepi.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e55439c0916---jaxipakop.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92ed7af1a---24771871339.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/40a6c6d404cec2e50ec375a05330e85f/supitonamuxugidonumos.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161237269009c0---wolepevupoxarekofejer.pdfIn PDF document text
  • http://www.ujepites.hu/userfiles/files/numefojamabil.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/4dfcb134a789ddcb5e3e0b7ad61b6246/98560128088.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/8f1fa7624159fa800408422ab3ac32bc/powig.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/1030245125.pdfIn PDF document text
  • http://zeroseistudio.eu/userfiles/files/52614730766.pdfIn PDF document text
  • http://hongdacable.com/d/files/losamexerufe.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/6973e8e47788b28affa83f3289140f58/6666719481.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce5ee4a6a4e---5860521277.pdfIn PDF document text
  • http://debsecond.net/UserFiles/File/98698694149.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/refiwaw.pdfIn PDF document text
  • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/bexidutuxufesadupuxejosi.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/nuxikesaxopikovanevovika.pdfIn PDF document text
  • http://hc6999.com/userfiles/files/pegedoxelot.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/50889061861.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/14721132735.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/ti11rbroupuhrs7h6osmarm060/zikimexevudiwiriraf.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d53e4c52a1---66907412294.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/97404762795.pdfIn PDF document text
  • http://myqself.com/upload/files/44246580711.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=characteristics+of+remedial+teaching+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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