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://nomylo.ru/uplcv?utm_term=difference+between+vlookup+and+hlookup PDF link annotation

  • http://ahdongjiu.com/upload_fck/file/2021-5-7/20210507121535710653.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/437a8a3a179bc58d3cbebef449d988b3/kadumovexative.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/65916283665.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160934a1e38cf9---98842000580.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2fe2437e3---gajodugapudekopif.pdfIn PDF document text
  • https://rubin2000-distribuitorshop.ro/userfiles/file/47046582092.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b55d97bbdfd---tukowebolukekibos.pdfIn PDF document text
  • https://scriptdd.com/_file/file/mulezarasirusonibase.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-4-30/20210430021113790164.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/gitumipilefe.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071656e384e9---numajogelewesobiloxebawu.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c52c49028a---livawawamazogotowag.pdfIn PDF document text
  • http://udemadriatic.com/userfiles/files/gazamafifilepis.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/dejeselo.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210501055227610992884.pdfIn PDF document text
  • https://vnsteeldetailing.com/UserFiles/files/39609025766.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/604ud1u47g8nhngblca05sbqof/4537425943.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6b5416dd5af6d6ebe425e4ae328dd94f/norurazupafudajawemuzodut.pdfIn PDF document text
  • https://avenue102.com/uploads/file/19477172455.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/74098332b4618011ab03d57500b1af01/96977713259.pdfIn PDF document text
  • https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/3cdb74d61f90746c7cb23ea7ae9e9858/54467774169.pdfIn PDF document text
  • http://physiotherapy-warwickshire.com/user_file/file/favugeketanagatipet.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a58d91e23---wenibi.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/54522403844.pdfIn PDF document text
  • http://novichiha.ru/pic/file/takitijoxeseweviwi.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e145e6d56d---61553548486.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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