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://fecuq.co.za/YmrXLWy8?keyword=us%20history%20chapter%2010%20section%201%20quizlet PDF link annotation

  • https://energooptima.hu/upload/File/35738304159.pdfIn PDF document text
  • https://vusubidasezojix.weebly.com/uploads/1/3/5/3/135399418/sunazirefof.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/b877d73c8b375a19f805478bc27812d2/gofamonifamimu.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/1cb64584802ec4531c59deccbbf0597d/27396504442.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624daf4432b31---99855335356.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/66000740849.pdfIn PDF document text
  • https://diagnosticaempresarial.com/UserFiles/files/fupuriturajidoxew.pdfIn PDF document text
  • http://www.forsheda.se/admin/kcfinder/upload/files/46472088266.pdfIn PDF document text
  • https://www.cis2020.scrs.in/kcfinder/upload/files/33306448535.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/tirodogekediditafom.pdfIn PDF document text
  • https://zitenimed.weebly.com/uploads/1/3/1/3/131383388/mimafibi.pdfIn PDF document text
  • https://sasepanubur.weebly.com/uploads/1/3/4/6/134600976/gezofojadasej.pdfIn PDF document text
  • https://actieaanbieding.com/upload/content/files/50122448494.pdfIn PDF document text
  • https://silifasakesi.weebly.com/uploads/1/3/4/5/134510621/617c57cc6ef8e86.pdfIn PDF document text
  • http://anaheim81.com/kcfinder/upload/files/vimujidopunowokizezef.pdfIn PDF document text
  • https://pobasejedewepiz.weebly.com/uploads/1/3/4/0/134017346/vaziwotidab.pdfIn PDF document text
  • https://kodanefonilulev.weebly.com/uploads/1/3/4/7/134702772/3994304.pdfIn PDF document text
  • https://gutirevenomosub.weebly.com/uploads/1/3/5/4/135400373/4843810.pdfIn PDF document text
  • http://rayhovietnam.vn/upload/files/92691387203.pdfIn PDF document text
  • https://zaruneza.weebly.com/uploads/1/3/2/8/132814400/94bc48.pdfIn PDF document text
  • https://zisowuwaxafo.weebly.com/uploads/1/3/4/7/134700917/dogelasusa_dexosu_wunexifopudeg.pdfIn PDF document text
  • https://milelujip.weebly.com/uploads/1/3/4/8/134861654/zusaxowobanol.pdfIn PDF document text
  • https://sitakubijilu.weebly.com/uploads/1/3/0/7/130776110/1cb7fe0.pdfIn PDF document text
  • https://disamaro.weebly.com/uploads/1/3/4/6/134697064/9022474.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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