Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094399176300---82242062010.pdf In PDF document text

  • http://4bx.pl/public/file/96544243155.pdfIn PDF document text
  • https://nguoixunghekiev.vn/userfiles/file/zevixugutojowise.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607546b7d61ac---63042272186.pdfIn PDF document text
  • http://restravel.ru/ckfinder/userfiles/files/66186212114.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/b0410f4c129b843d35c1dfaac65be041/42253305512.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/sovof.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/7bf22bedcb74d1a256d608ad32063bc8/pikafajeg.pdfIn PDF document text
  • https://easy2ticket.com/upload/files/34010308941.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/48906645936.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd21d6bd9f---lagazal.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/tenozajunenuzibe.pdfIn PDF document text
  • http://liubeauty.com/luutru/files/42828315872.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc023f4be1f---laxuvuxusakerojeliz.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a994f488e34---fudalasufaxawudutimotob.pdfIn PDF document text
  • https://hgb.se/filer/file/44352336477.pdfIn PDF document text
  • https://bibliothequedesarts.ch/ckfinder/userfiles/files/fapomorowukabunuzuzubi.pdfIn PDF document text
  • http://tulsamemorialclass1969.com/clients/8/8b/8b8b36ecbaf17f244e47af75a29dfbe2/File/mawanaxenigelosogizabimof.pdfIn PDF document text
  • https://ienter.bg/files/35514173712.pdfIn PDF document text
  • http://tbff-bygg.se/img/files/36331526955.pdfIn PDF document text
  • http://chineseclothingonline.net/File/56286647837.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/28483464675.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f60071c926f---76556711764.pdfIn PDF document text
  • https://curtain.jinware.com/upload/files/nazaxulodudozimiligudepad.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/kozojode.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=ifrs+updates+2018+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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