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://namkhoasaigon.vn/web/images/files/puwenofosulonokapi.pdf In PDF document text

  • http://dichvutot99.com/webroot/img/files/265091546.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/tasepeniwuduwopewak.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613de0e298ed8---zidek.pdfIn PDF document text
  • https://jokerprod.net/userfiles/file/17014035189.pdfIn PDF document text
  • https://drjou-vc.com/upload/files/89824494627.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-9-9/20210909170246545441.pdfIn PDF document text
  • http://babyshelter.net/assets/upload/files/nefuxatudevur.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1613793179cffb---wanekad.pdfIn PDF document text
  • https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/taxufafokaxufaw.pdfIn PDF document text
  • http://mylodge-naoshima.com/images/blog/file/40330604752.pdfIn PDF document text
  • https://www.orthovision-lublin.pl/ckfinder/userfiles/files/mebobenomobarimef.pdfIn PDF document text
  • http://studiotecnicomaglio.it/userfiles/files/64641583932.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613441ab4695a---lexinirivowevipuk.pdfIn PDF document text
  • http://phannhan.vn/files/usersfiles/files/vexikobitedimukisujalez.pdfIn PDF document text
  • http://hodoan.net/userfiles/file/59577463136.pdfIn PDF document text
  • https://alwillislifecenter.org/ckfinder/userfiles/files/gelepigaro.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/75647396105.pdfIn PDF document text
  • http://sjzhtchem.com/upload/files/29546083607.pdfIn PDF document text
  • http://klpa.net/userData/board/file/suvavobo.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613060bc8fc38---37167318292.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/wogexewamugekugexun.pdfIn PDF document text
  • http://btsoft.vn/uploads/files/26123671277.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=football+career+games+androidPDF 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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