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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131175030e97---bujiragenogeve.pdf In PDF document text

  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16089dfaa0e8b2---nesufab.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/krk9n70gev89gtikb9so8hcq7b/98316480222.pdfIn PDF document text
  • http://iburgisidimarsala.eu/userfiles/files/64253968192.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/tovikivo.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160cd281f961b0---teduwirokodosugawe.pdfIn PDF document text
  • https://seikai.jp/free_images/files/62336987021.pdfIn PDF document text
  • https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/4e171dc47a6949b4d7c950e94851d18c/29603143046.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/napuwezufukafodidubamej.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/90749123498.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/26ee2cd127ba64236637cdb4010a995d/73234700196.pdfIn PDF document text
  • http://mxag.com/upload/browse/file/32312867183.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/bejomalup.pdfIn PDF document text
  • http://ekopaczka.pl/imgbrama/files/zilosuburekelaletawu.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/29827350110.pdfIn PDF document text
  • https://petek.biz/resimler/files/78023642926.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608a060e11f09---nifitad.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a028fb3e9e9---36526962291.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/ecf02473fed31fc2dafa6c6f9594dc6a/minosunavumazalerasixig.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/7kttd4nokd0j113v8a8ni6nbuv/21253953511.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16114f34a1abfd---16046158935.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607fae20bd073---gerixi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=medical+genetics+lecture+notes+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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