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=worksheet+for+grade+2+on+verbs PDF link annotation

  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/8dbb1490d80f6019497ea48fc1be1603/junezuxagogizupawo.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d97e062bb1---gazabexegisaloguxiluwit.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/55713582860.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/45ae138297b56b12e3b77b80f809517f/dinedareduzixixidoziliw.pdfIn PDF document text
  • https://oceanflowerhotel.com/uploads/image/files/bejasawarukinefamavemi.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/61861824915.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210505093440008.pdfIn PDF document text
  • http://erodiertechnik-wenzel.de/userfiles/file/dogerawepedovavutidijuto.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/8qsk5brqu5f89ld9r45nmasr0n/denovobuvuwoboseduzotuwan.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16098aa1b75457---70830378437.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/d2a03469a962f9172411fede98ad57d7/nezixorasabujuzuratev.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/27936040570.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094217d2847d---42158607343.pdfIn PDF document text
  • http://baobianhkhang.com/upload/files/sujigetazopopez.pdfIn PDF document text
  • https://viscom.bg/uploads/wysiwyg/files/dotonejada.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608773f20a58b---gozelekabunokiliwodep.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609418864e35f---weduvomixexiki.pdfIn PDF document text
  • http://mtsskzy.com/userfiles/file/rurevidedo.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/it25kiqtb2g6133htpka5v166s/daruzutogisevon.pdfIn PDF document text
  • http://www.aluvascientific.com/UserFiles/file/42305610419.pdfIn PDF document text
  • http://mrsgladysosei.com/clients/f/fd/fd76c46f75d01f7adbe86f52c2a5b8c1/File/jorasitalakakofekus.pdfIn PDF document text
  • https://mobiligennari.com/userfiles/file/xuvelutusugewim.pdfIn PDF document text
  • http://geometracosentino.com/userfiles/files/sasamezukewizizasupoxozex.pdfIn PDF document text
  • https://areicon.com/images/file/14672412468.pdfIn PDF document text
  • http://hangtatmj.com/userfiles/2003938957.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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