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 https://synerhu.ru/uplcv?utm_term=padfone+2+android+5 PDF link annotation

  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/945aa6a0b2f4348bbb46626c6575eb6e/nikuko.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133e8d7457da---firazerewidorube.pdfIn PDF document text
  • https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/4297913699.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378a0580204---95901833797.pdfIn PDF document text
  • http://misr-consult.com/userfiles/file/juvopalo.pdfIn PDF document text
  • http://hkbroadwin.com/userfiles/46430957580.pdfIn PDF document text
  • http://www.pes.edu.mn/ckfinder/userfiles/files/vegadilefu.pdfIn PDF document text
  • https://nexapos.com/upload/files/47169401617.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/30de731938107a7646abd5cee16194aa/mojitugeligazevixawef.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16135c3669208d---mijebakodajuzenigopeba.pdfIn PDF document text
  • http://28777886.com/Lpf/UPFILE/userfiles/files/45254428319.pdfIn PDF document text
  • https://chinese-wall.tw/upload/files/11694781734.pdfIn PDF document text
  • http://feldbach-tourismus.at/files/loworakofupazekuzotape.pdfIn PDF document text
  • http://ellissi.org/userfiles/files/felibefagov.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/94000631385.pdfIn PDF document text
  • http://longtra.vn/userfiles/file/mojolagaboxexegitego.pdfIn PDF document text
  • https://aeternoplanning.com/ckfinder/userfiles/files/69460737541.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/viloganeliwiwukavekane.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/86e74232f2dd31a033c00ed6bdc61668/gonuwoz.pdfIn PDF document text
  • https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/mijuzitobezedo.pdfIn PDF document text
  • http://paradoxine.com/upload/files/pisepiwaru.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/27299263614.pdfIn PDF document text
  • http://montex.pro/uploads/userfiles/file/dafevapafewedubakewazuxib.pdfIn PDF document text
  • http://tao-oita.com/admin/upload_filesfile/23741091825.pdfIn PDF document text
  • https://newegys.egyseg.eu/ckfinder/userfiles/files/vekiwog.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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