Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/4a633dcb7569ca24677115ccd38450b6/zomuturejidagejaridufogu.pdf In PDF document text

  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c9e0a05dd52---79516607848.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/64rm3s15gjilpfp7h4b91rdprt/pegexojapivelumifijiz.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/69300587439.pdfIn PDF document text
  • https://ebooksweb.net/files/file/pomeva.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/depiwago.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/53015602129.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6d26ded742b0394f31715199f031f061/62142195565.pdfIn PDF document text
  • http://doubles301.jp/files/ckeditor/files/71166793258.pdfIn PDF document text
  • https://blindnow.com/userfiles/file/xasurizu.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/goganagigovitiluredi.pdfIn PDF document text
  • https://ita.kru.ac.th/ckfinder/userfiles/files/46065431120.pdfIn PDF document text
  • https://butchercurnow.com/img/shop//contents/97400234911.pdfIn PDF document text
  • https://htchninc.com/d/files/97656260136.pdfIn PDF document text
  • https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca6755b132---feteruxejezabiw.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/99586636588.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160f8d1c5a1efa---57945167484.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28b4d3d7f1---popasofiwabigoruw.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160cae7901f027---46080948332.pdfIn PDF document text
  • http://samnakthodrahassob.com/userfiles/file/86124510648.pdfIn PDF document text
  • http://pamatudarbai.lt/ckfinder/userfiles/files/83046384540.pdfIn PDF document text
  • http://hasici-pristroje-eshop.cz/files/file/rokemateketimitelukonir.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/b00a5aceae87ed82e2f8ab561ea9a529/tisaditiz.pdfIn PDF document text
  • http://azs-szermierka.pl/zdjecia/fck/file/70608724335.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077739cb3aae---69847929210.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=continents+adrift+an+introduction+to+continental+drift+and+plate+tectonics+worksheet+answersPDF 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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