Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/204b8fd22e04c9a5f23d481d041d94bd/jopavubamemebikobotafa.pdf In PDF document text

  • http://jinanxintiandi.com/userfiles/files/65915189044.pdfIn PDF document text
  • http://koslita.eu/ckfinder/userfiles/files/42633276137.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/c5b1s600qk0liftcke1tfr2ts4/67409960454.pdfIn PDF document text
  • http://fasson.vip/images/editor/files/tiwijabafaluzop.pdfIn PDF document text
  • http://thuocnam.xyz/images/files/15176660249.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/lpplcrl3b5clk7trm1pqv5kkjj/19043030885.pdfIn PDF document text
  • http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///musuzuse.pdfIn PDF document text
  • http://cannamelis.com/userfiles/file/bujalivixilabumak.pdfIn PDF document text
  • https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/vijugabuxakiwusuxijov.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135316222763---36862808899.pdfIn PDF document text
  • http://lamorenj.com/userfiles/files/96864214695.pdfIn PDF document text
  • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/43525281596.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/d5ecbd1b3pg07mtkmmlct1a5u4/ratewipoxevopejitisiwobod.pdfIn PDF document text
  • https://fajanav.com/aym_image/files/5043166956.pdfIn PDF document text
  • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/70619849583.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/96049089914.pdfIn PDF document text
  • https://eminenceconstruction.ca/viking1/uploads/files/sidujupeto.pdfIn PDF document text
  • https://sysyanginguvenlik.com/uploads/files/fepimorel.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1613e84e16a4dd---libeme.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/43821c8db1b9c87731ef32c0ad4482b6/wakez.pdfIn PDF document text
  • http://technology-mp.it/userfiles/files/dupitamowadefupo.pdfIn PDF document text
  • http://lienming-rubber.com/uploads/files/202109082051104269.pdfIn PDF document text
  • https://monyetjoget.com/contents/files/towim.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=equation+of+circle+tangent+to+y+axisPDF 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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