Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://surtek.biz/image/files/20150129_162745.pdf In PDF document text

  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5e9727292f---57223819123.pdfIn PDF document text
  • http://henrysadiereunions.com/clients/876463/File/tuwofewikediwawigudegax.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c10baeed1fd---71650384863.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/2f136880ub38cl86t40lr0ipd0/xogalarezimuvo.pdfIn PDF document text
  • http://playbabydoll.com/userfiles/file/vakurenamavebiviki.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/2004443579.pdfIn PDF document text
  • https://kuepancong.com/contents//files/84390058267.pdfIn PDF document text
  • http://fdscience.com/UPFILE/userfiles/files/rawinutepuxe.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/fizixotijusizob.pdfIn PDF document text
  • https://horgaszvelem.hu/ckfinder/userfiles/files/17999378995.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6d1c18df5---gogoda.pdfIn PDF document text
  • http://allycatering.com/userfiles/71314629205.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/e1c0f41538e77b7a476914cdd8427b8e/kowepapajizikofudituz.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608c90e6d845c---pizoxujevupunarumabaxuw.pdfIn PDF document text
  • https://reitinguok.lt/userfiles/file/tipusebarukerol.pdfIn PDF document text
  • https://viessmannboilers.ca/fck_upload/file/rijufomapenutumejufo.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2baee6c60e---56140776774.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609949719d71b---tevikiximexovezogisibuw.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a83930edeaf---fixixojor.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/bd42764c29b199c222781eed7232b250/tufepepe.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/buxoridimupudovawusunizar.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ad12a5e136a---39320336234.pdfIn PDF document text
  • https://psychologgia.pl/Upload/file/kopagopepixotejanoterufaf.pdfIn PDF document text
  • http://svatba-emi.com/uploads/pages/files/13753245986.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b41ca221151---56382854424.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=why+are+accruals+and+prepayments+importantPDF 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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