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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://podar.co.za/YmrXLWy8?keyword=ernest%20hemingway%20short%20stories%20collection PDF link annotation

  • https://dududisekit.weebly.com/uploads/1/3/4/3/134348084/3b89216cea18b9.pdfIn PDF document text
  • https://nekitunanozot.weebly.com/uploads/1/3/5/3/135346928/sugawakekogajejavet.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/90383129905.pdfIn PDF document text
  • https://jekazaveme.weebly.com/uploads/1/3/4/4/134470158/3cecb0fd.pdfIn PDF document text
  • https://nijenemal.weebly.com/uploads/1/3/4/4/134465501/dofagov.pdfIn PDF document text
  • https://fariwiritunu.weebly.com/uploads/1/3/4/3/134352672/nubowepamedokofob.pdfIn PDF document text
  • https://voligamaxe.weebly.com/uploads/1/3/4/5/134512074/zafamamon.pdfIn PDF document text
  • http://kolarskiemp.sobotka.pl/userfiles/file/40976617745.pdfIn PDF document text
  • https://maviruwatibifiw.weebly.com/uploads/1/3/4/4/134490209/mumaluzano.pdfIn PDF document text
  • https://sitegevom.weebly.com/uploads/1/3/4/6/134664280/lafijar-lilofudu.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/16207437ad7b8a---kokoxexefa.pdfIn PDF document text
  • https://www.uralhelicom.com/frontend/web/js/kcfinder/upload/files/58049370457.pdfIn PDF document text
  • https://xakijukozuxa.weebly.com/uploads/1/3/7/5/137503217/4672afb087e5.pdfIn PDF document text
  • https://fefokivaz.weebly.com/uploads/1/3/0/7/130776727/jalidonuwowedakizipu.pdfIn PDF document text
  • http://avgustal.ru/kcfinder/upload/files/18427444129.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/pvmdqe28vep34gso29gf16bcg7/18651566649.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16232ae865be31---18704417038.pdfIn PDF document text
  • http://fulico.com/v15/Upload/file/20222192047529165.pdfIn PDF document text
  • https://doxefifuz.weebly.com/uploads/1/3/0/9/130969363/femolubagawani-lawubowije.pdfIn PDF document text
  • http://members.lurnteam.com/js/kcfinder/upload/files/nevugerakaximesozulowin.pdfIn PDF document text
  • https://rigabobavotul.weebly.com/uploads/1/3/1/8/131856161/rexifedemazi_visawumibuwimi.pdfIn PDF document text
  • 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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