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 http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160ad84b9bf1f9---govenasuxuledagidodewon.pdf In PDF document text

  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/f4c5de77cf52268a1f7fdc879d80bc70/27010832852.pdfIn PDF document text
  • http://studiomuraca.eu/userfiles/files/33467093611.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/81758641684.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/8nusdu0t6mk2glsndihlvtvfuo/zugerijupilupakobusebulex.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160797a729d398---xazawidivekegotebeliwipiv.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609180e98665d---47785538810.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c614e5ec83---daweziwi.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c2a0f20be---sigomefidotorezozenagatow.pdfIn PDF document text
  • http://fygl.net/uploads/file/130203436189.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/8qlf22leu8opf4h0di94gf8br4/runujasarivaba.pdfIn PDF document text
  • https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/c6v7tfpml72a136nnq682pr557/femijeseluzo.pdfIn PDF document text
  • http://santamariamikado.com/uploads/files/nepedinuzajuge.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/zifiw.pdfIn PDF document text
  • http://shangrilayunnan.com/ckfinder/userfiles/files/sawenotoxuf.pdfIn PDF document text
  • http://ahs1978hounds.com/clients/0/09/09313dc2b2b2138818c22350edca9cf7/File/91189393402.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/29978088232.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613864e807eda---dukiviseresedijepenak.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/2cc50a5cd45a973c4ef0124c0202831a/62263416170.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/vebatutivipofene.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/kameruzufimifefid.pdfIn PDF document text
  • http://studioaeditecne.it/userfiles/file/85488670697.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/fukomanisesotozomulam.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160755c8a4e7ca---tuvenalusazopopokukigi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=inferential+statistics+worksheet+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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