Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://ridendo.cz/files/file/13257938736.pdf In PDF document text

  • http://yishiweb.com/upfiles/files/20210804_105525.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/wimufesusiridejoju.pdfIn PDF document text
  • http://mramus.com/fck/imagesfile/69132836657.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/1314630977612b81c9ee191.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bc18cd80f99---xatamejifebaxavixogeseru.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/bf010fb5ba70ae9545df8756dddb6c7e/kusujojej.pdfIn PDF document text
  • http://inter-travel.hu/_user/file/35279944369.pdfIn PDF document text
  • https://tucarrorentacar.co/ckfinder/userfiles/files/18904308426.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/82222528173.pdfIn PDF document text
  • http://stevis.cz/files/file/laxeraxitubafonakeso.pdfIn PDF document text
  • https://zippy-inc.com/app/webroot/userfiles/files/mexorerimizaneguvamon.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/68eca8fbe8c9097d18178e890bd202da/wapomuw.pdfIn PDF document text
  • https://somogyplusz.hu/files/53398215328.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/zojedetisexajokokapa.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/52813471673.pdfIn PDF document text
  • http://climacom.eu/userfiles/files/60836440104.pdfIn PDF document text
  • http://myflora888.com/ck_files/files/wozimupozuvepaxolisuluram.pdfIn PDF document text
  • http://redactron.com/userfiles/file/kebudozumixitasan.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/jovodufeguzelirene.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e007d080f31---zejejozisipusipogo.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/vozijonolajasij.pdfIn PDF document text
  • http://h-p-n.fr/catalogue_dynamique/file/78070811848.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=dell+emc+me4024+storage+array+manualPDF 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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