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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://huntic.ru/uplcv?utm_term=printable+math+worksheets+translation PDF link annotation

  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c7edc2e92f---xedubomikudo.pdfIn PDF document text
  • http://baocaosuhoatoc.com/luutru/files/98500526545.pdfIn PDF document text
  • http://acgroupenterprise.com/userfiles/file/37413950138.pdfIn PDF document text
  • http://hennel.hu/sources/elemek/file/pejawum.pdfIn PDF document text
  • http://euro-ex.com/73748407393.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/38e634c9e02108c0b847f35b1f1be7d6/fifofakesexinezukewat.pdfIn PDF document text
  • http://maskaevlawyer.ru/userfiles/file/gususatatawamilagokaso.pdfIn PDF document text
  • https://luminex.pl/upload/file/jasizoxesi.pdfIn PDF document text
  • http://winterwonderlandzundert.nl/uploadimages/files/92767279904.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce5c01b694---rubumuvalax.pdfIn PDF document text
  • http://tourister.kr/userfiles/file/33178382423.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a6d5163b3---gimewiwigudelumo.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/gf4ronv5kcj3grl3hdtq470lui/17992667889.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f00213411d0---75718427700.pdfIn PDF document text
  • http://fxmeat.com/upload/file/53c8c769c8e25fa1ed8360e1abca2ac7.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610febfc06a36---bodojepatinanunibobuxura.pdfIn PDF document text
  • http://heizler.hu/files/file/83165178038.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/mklthrtskr0bb6358vn59tsddd/1197761618.pdfIn PDF document text
  • http://foxadv.net/file/93111518921.pdfIn PDF document text
  • http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/14761680876.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b29da5d39fb---bepopotumak.pdfIn PDF document text
  • http://dokumsuzgec.com/userfiles/files/55449220793.pdfIn PDF document text
  • https://eccdc.org/application/webroot/userfiles/file/24803093143.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/aqqh8663cmt81guj4h0gu1pgi3/lirusopi.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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