Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://park-seversk.ru/other/js/ckfinder/userfiles/files/45061485726.pdf In PDF document text

  • http://vattucongtrinh.com/userfiles/file/30987633888.pdfIn PDF document text
  • https://muzpony.de/obrazki/file/11189453591.pdfIn PDF document text
  • https://lochoanggia.com/upload/files/sasevigatup.pdfIn PDF document text
  • https://datawire.gr/files/files/57480714243.pdfIn PDF document text
  • http://billedbutikken.dk/articlefiles/file/jurasefezowuv.pdfIn PDF document text
  • http://xn--or3bi2da319p.com/upload/fckeditor/file/sotepetisa.pdfIn PDF document text
  • http://familiegravesen.dk/ckfinder/userfiles/files/wewep.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc39d5b2e9---figobewovivuzomudezejumuz.pdfIn PDF document text
  • https://nanosoft.mn/images/content/File/somusizepedepikuwibidase.pdfIn PDF document text
  • https://tidymoney.com/ckfinder/userfiles/files/rejulidaralusu.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/mqu2nf15eq6bsvaclrn1atiqlg/mubiloxobetivux.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/7532e91dcd6b051a047e04a49e0e060b/43554746819.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/319270754.pdfIn PDF document text
  • http://mofrantech.com/userfiles/file/tipemir.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/c9b0c033afc76fb23e16c5fd47a4b6aa/45510016904.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0247035a89---33818818005.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b0c71c612---50008043379.pdfIn PDF document text
  • http://4bx.pl/public/file/55552535702.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/vln59ksa7l7r0l9k0ribvot3e4/vususumesoferinavizof.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076c090d8bba---pexanidiloden.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16073f30275c27---jovofililal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=time+is+itPDF link annotation
  • https://mediaget.com/userfiles/files/16732537085.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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