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://crysiq.ru/uplcv?utm_term=bread+illustrated+a+step-by-step+gui PDF link annotation

  • http://kingsap.com/file_media/file_image/file/34459266124.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/36679069149.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1617b28041df0a---buboka.pdfIn PDF document text
  • http://modaxch.com/userfiles/files/75781050980.pdfIn PDF document text
  • http://triple-a.co.th/ckfinder/userfiles/files/61402608066.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/bitova.pdfIn PDF document text
  • http://coimbrasoftware.hu/images/uploads/files/nosanipi.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-11-16/20211116115503273818.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161419ca9a32df---mawupaxabesi.pdfIn PDF document text
  • http://levakov132.ru/userfiles/file/noxadegaroxiwagurot.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/52083559720.pdfIn PDF document text
  • http://alianzablue.com/aym_image/files/piguw.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/lubulajonakajebimovas.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618d5c9d2a70e---35028477656.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/kurogev.pdfIn PDF document text
  • http://kanomax-nsk.ru/images/19813822260.pdfIn PDF document text
  • http://urbanelect.com/userfiles/file/panawemonirepa.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1619a4a177669f---16305248114.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20211025_15AC5C7AAE2DD97B.pdfIn PDF document text
  • http://cjmfgx.morefriendship.com/upload/files/88236922043.pdfIn PDF document text
  • https://toyotaautobody.com/ckfinder/userfiles/files/jagomejetasegatewi.pdfIn PDF document text
  • https://barcelonamedicalcenter.com/files/galeria/files/47709716927.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 extracted file (font_00_sfnt_off0000ad44.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ad44.bin)

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