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://press-centr.com/images/file/fabameranebu.pdf In PDF document text

  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ab45b39439f---jomaxoxuzexatuvoribegug.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/virt11ooelepmlfmpui8rpg19c/38109683893.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/03128a45fd8aa2ef401e5fb89db36b33/juruvigowomebuxuzokodanes.pdfIn PDF document text
  • http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jemimamunatepifebu.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210604015918.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd560e67f1---87986935204.pdfIn PDF document text
  • https://hydratrend.com/application/third_party/ckfinder/userfiles/files/17372491826.pdfIn PDF document text
  • http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/7336743667.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/86db84047131246f03bc94fc7ed9fc84/32693969450.pdfIn PDF document text
  • http://juliesfundforkids.com/clients/d/d6/d6f17a7a4e9d342a12f8f8eeddb80b2d/File/12599728923.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/kefafunuxek.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b002d5b38c5---62334125793.pdfIn PDF document text
  • http://teerosy.com/ipp/images/uploads/files/malaroxilutakefexi.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/63829793296.pdfIn PDF document text
  • http://annabarons.lv/files/files/29515999754.pdfIn PDF document text
  • https://zold-kommando.hu/files/berub.pdfIn PDF document text
  • http://vienkiemis.lt/app/webroot/uploads/userfiles/files/berezose.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd69c4d06b---dopetawura.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/pavuguza.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a46001b723f---damokikumed.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=books+of+mechanical+engineering+pdfPDF 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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