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
• 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.
• 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://kuxodebareku.weebly.com/uploads/1/3/4/0/134042390/afea50b86f1ffd.pdf In PDF document text

  • https://kenemujawov.weebly.com/uploads/1/3/4/6/134645985/f1374.pdfIn PDF document text
  • https://fileduwefevara.weebly.com/uploads/1/3/4/3/134384607/f553bcc8ecf5.pdfIn PDF document text
  • https://sizikipumaxa.weebly.com/uploads/1/3/0/7/130739349/senezamotuv.pdfIn PDF document text
  • https://thanaclusterwestgate.leaddeehub.com/userfiles/files/96945075679.pdfIn PDF document text
  • https://bovuzujavus.weebly.com/uploads/1/3/5/3/135326818/197c7e74c2de7f.pdfIn PDF document text
  • https://buriviniroxino.weebly.com/uploads/1/3/1/6/131606563/3956496.pdfIn PDF document text
  • https://vozopameniv.weebly.com/uploads/1/3/4/5/134593493/finapov.pdfIn PDF document text
  • https://fujokemile.weebly.com/uploads/1/3/4/6/134694414/nozikojewekugu.pdfIn PDF document text
  • https://xn--cabaasalquimia-tnb.com/uploads/files/duzirix.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/18445139257.pdfIn PDF document text
  • https://jawokisejul.weebly.com/uploads/1/3/4/6/134601468/kiwumigavu.pdfIn PDF document text
  • https://jagewimaw.weebly.com/uploads/1/3/4/0/134012974/a4ca80.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1625f044f16eaf---11239652092.pdfIn PDF document text
  • https://rigokapine.weebly.com/uploads/1/3/4/5/134593974/nisopewed_xadijovi_liwuda_murizugolose.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16215f80d93dfa---92161953279.pdfIn PDF document text
  • http://htbestcomputer.com/media/ftp/file/46331351224.pdfIn PDF document text
  • https://farisogu.weebly.com/uploads/1/3/4/3/134307724/596604.pdfIn PDF document text
  • http://hipscycle.simplywebeditor.com/site-uploads/16885876519.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/d2b6679cb976d3b4b4d0e4928ca39225.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/162042c73ab6d5---17226606558.pdfIn PDF document text
  • https://wirut.co.za/YmrXLWy8?keyword=what%20is%20quality%20management%20in%20healthcare%20organizationsPDF 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 extracted file (font_00_sfnt_off0000e0e1.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000e0e1.bin)

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