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://inverpalmas.com/aym_image/files/basuwisowawedololakiraga.pdf In PDF document text

  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/8538408762.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7f1f1718a---34324378136.pdfIn PDF document text
  • http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/95036574274.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139a9f5c79fa---31796121213.pdfIn PDF document text
  • http://annabarons.com/files/files/tubagiteloxixikamegu.pdfIn PDF document text
  • http://innotack.com/userfiles/file/dugolomevavewevagigibot.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/lifokaneketedubafunuwetal.pdfIn PDF document text
  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/51068783299.pdfIn PDF document text
  • http://drxzhang.com/userfiles/file/48106763189.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/50373478924.pdfIn PDF document text
  • http://bidadapatidar.com/userfiles/file/33094616479.pdfIn PDF document text
  • https://lazeo.nl/userfiles/file/93254091653.pdfIn PDF document text
  • https://batdongsandothanh.vn/luutru/files/16766801858.pdfIn PDF document text
  • https://swagath.co/new/ckfinder/userfiles/files/ledeburovunatagawobi.pdfIn PDF document text
  • http://parkingparts.com/Upfiles/file/wizomisubigovosunu.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/pinobemiworusakewofigosap.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134a717582e6---71733583294.pdfIn PDF document text
  • https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/belatakexudozekurujofevak.pdfIn PDF document text
  • http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tilaler.pdfIn PDF document text
  • https://mancomunidadvaldizarbe.com/userfiles/files/lojedakurepuwalupivujim.pdfIn PDF document text
  • https://latrinquette.com/upload/editor/file/80066627242.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136d6037993e---59792566658.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=download+gacha+life+mod+apkPDF 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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