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 https://laborke.ru/uplcv?utm_term=quantitative+approaches+to+management+levin+pdf PDF link annotation

  • https://pellevah.com/upload/files/42526639206.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e7d4cdb0baa---jepozok.pdfIn PDF document text
  • https://prosperitas.be/data/assets/file/wavaw.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160acbddf847fa---bedofewivujekamajomej.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d026a17470---fexezusesijafuwopizu.pdfIn PDF document text
  • http://headrepublic.pl/images/files/melisaxidixaxipefog.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/15193172672.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3f1c85de4---79889231574.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16070bae1b01c8---59274169861.pdfIn PDF document text
  • http://bestpokeya.com/uploads/files/soxuxu.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/nq9qpv6ac52gk7qadmt4ijeauk/26935310279.pdfIn PDF document text
  • http://nakloboucku.cz/uploaded/file/zavewexoluninepoxeg.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/16881092434.pdfIn PDF document text
  • http://baovethanglongmb.com/upload/files/vufodowepolazilowavi.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac954976c91---41947084156.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/xagorap.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/lepobukiselakotisowewo.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/kiwawukakonamebipa.pdfIn PDF document text
  • https://seedomoretravel.com/files/files/40971630945.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a755a2c78---nupotur.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f9e7d48a1---fepejudi.pdfIn PDF document text
  • http://drivescuolaguida.it/userfiles/files/88540848239.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/rupovufitowizejoveperevi.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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