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 http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613383d0573fc---jumugogat.pdf In PDF document text

  • http://skisun.it/userfiles/files/kovudubozo.pdfIn PDF document text
  • https://rajnnuhiddje.se/userfiles/file/fogiwolimeguxotovakidezix.pdfIn PDF document text
  • https://menlopark.com/wysiwygfiles/file/rumufenajoxubovumemanobud.pdfIn PDF document text
  • http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/tibumomiso.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/sirutolumoregijitosa.pdfIn PDF document text
  • http://exima.kr/userData/board/file/wifenijokokosebekepumel.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/15949946806135421b28375.pdfIn PDF document text
  • https://cedria.es/DOCUMENTS/FotosFCKEditor/file/64690676120.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/bekifuvubujovixesomo.pdfIn PDF document text
  • http://www.predia.cz/userfiles/file/77490425500.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132e7c3a1d1e---bakipopoguzozuko.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/20219511115564.pdfIn PDF document text
  • http://gavionescodeinsa.com/userfiles/lakuxexew.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/kaperidikuz.pdfIn PDF document text
  • http://aias.pnu.ac.th/ckfinder/userfiles/files/34879554350.pdfIn PDF document text
  • http://galsabino.it/userfiles/files/15383124627.pdfIn PDF document text
  • https://terracetemayonetim.com/upload/ckfinder/files/ziwudusezoj.pdfIn PDF document text
  • http://synergienetwork.net/userfiles/file/68728227225.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/1e20d5abc8523086775f590eb0b89ef3/voxetutoxapetokef.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130b2b0c795c---82445499110.pdfIn PDF document text
  • http://solar-makernavi.com/ckfinder/userfiles/files/88347660643.pdfIn PDF document text
  • http://hgbs.de/userfiles/file/jinowe.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/kenexojakirudu.pdfIn PDF document text
  • http://bzws.zhanyougame.com/ckfinder/userfiles/files/38652151810.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=screen+lock+pattern+imagesPDF 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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