Malicious PDF — malware analysis report

Heuristics 6

• 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 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://oniceh.ru/uplcv?utm_term=subject+verb+agreement+advanced+exercises+with+answers+pdf PDF link annotation

  • http://ashioke.com/images/library/File/65158687308.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/d6bfe6aad97e1f30a365fb8b025665f3/rewowivupatuxajigig.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/vifoxavaroredotilusi.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803736d6004---38878678514.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7c6cc4bea---zisiwatizasevaxuwok.pdfIn PDF document text
  • http://lmyc.net/clients/875386/File/49659805338.pdfIn PDF document text
  • http://mastrodibaglio.it/userfiles/files/wabofotisazi.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/51137459325.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096916ebd479---36943302346.pdfIn PDF document text
  • http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/8055041514.pdfIn PDF document text
  • http://scro.ru/pic/file/32231261824.pdfIn PDF document text
  • http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/niwugabageje.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/3664690845.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/5ab3b80cdcd69a5fd94442dcd401d2fd/binuwonosap.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/d42ccd381fcab671d1e4e0c92644889c/zibokuzobazobavozo.pdfIn PDF document text
  • http://ndt-ultratech.com/files/80229323512.pdfIn PDF document text
  • http://logtech.cz/foto/Image/file/70648219900.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/dd1b5ea88d59d54d49fe5f8f680a8fc8/sexisuxinaporij.pdfIn PDF document text
  • https://travelsafeway.com/userfiles/file/20888429110.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/misoxeguwujodapudukem.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/8553519366.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/e08dee80bd391243efd8b7b902a1ed17/lemegefibewun.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/289c18c6ee099e3b9242f39ea6a8425b/96959243581.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b8a3d83f4e484abcdcc31303395c37f4/buregenexep.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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