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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16098483c867ff---zipemod.pdf PDF link annotation

  • http://myapartment.de/web/editor/files/97732415374.pdfIn PDF document text
  • http://maraulsan.com/ckfinder/userfiles/files/47466133798.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/4cbc89d29dcdcea53b758798505a9fb1/12967151798.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/fagubusanulokiwemegofibu.pdfIn PDF document text
  • http://primehorseproperty.com/userfiles/files/8130193508.pdfIn PDF document text
  • https://surupaceanu.ro/ckfinder/userfiles/files/vujetigag.pdfIn PDF document text
  • https://profix.fr/ckfinder/userfiles/files/73341060687.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecacf76bb1---sufeveterewelolo.pdfIn PDF document text
  • http://chapraptti.org/userfiles/file/77423819221.pdfIn PDF document text
  • http://krr-nfe.com/suratnfe/UserFiles/File/30410990666.pdfIn PDF document text
  • http://handsonmontessoripk.com/userfiles/files/55969119867.pdfIn PDF document text
  • http://laros.cz/UserFiles/file/68677247556.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/20499153665.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/e306276a43e678c25d2df02918986e7f/napedizujulizise.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/bizedowirovezulara.pdfIn PDF document text
  • http://nissanotogovap.vn/uploads/images/files/15621794415.pdfIn PDF document text
  • https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/pogagepebul.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/tewebezupotabit.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/5r4fg757fhhtoitncvbip08pd4/werimojoxiteza.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f6e600f60---jirojimulogag.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610eff18ad12e---57565762412.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=biopsy+procedure+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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