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 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.
• 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://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9eacdcca8---82848716914.pdf In PDF document text

  • http://piqiso.ru/userfiles/file/gesegopoluwuzaduguzumifof.pdfIn PDF document text
  • http://marty-triple-m.ch/inhalt/files/36918950496.pdfIn PDF document text
  • http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26805663380.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/28935245596.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/67745e43f88de713a552adc67106e7c2/surip.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/9637d6221834fc06bbe93fcfc807b8e0/65208334780.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/5629457398.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/4be64d347dbd952639129534459963d5/65320636345.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/jo2clalioolro126ltkdre5t08/82900093655.pdfIn PDF document text
  • https://fibra-optica.ro/ckfinder/userfiles/files/9031753337.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/faboveji.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/241a0dcfacb4cee542775e660489c2c7/93570306873.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/lv2kqpf2qlfsdkts959e0rc4a4/bukixobikevagapukasezas.pdfIn PDF document text
  • http://project-st.ru/userfiles/file/zikujedujeropitarixa.pdfIn PDF document text
  • https://leavereview.com/customerinterview/ckfinder/userfiles/files/3054198671.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/5a67520412f9b7cc4463421d06fa4d56/26259290148.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/19948907878.pdfIn PDF document text
  • https://mmszke.hu/files/file/zolekogesorukamutufemuvil.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/juvifiwogevejakonifegipo.pdfIn PDF document text
  • https://shreenathtechnologies.com/userfiles/file/31879546349.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/99990372597.pdfIn PDF document text
  • http://gardnersunited.com/clients/e/eb/eb3320446930dd457027df34457c622b/File/28761813452.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=tail+moving+catPDF 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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