Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://chinasoftcore.com/userfiles/file///1524921470.pdf In PDF document text

  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/83482131973.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/328153ed4ea368139631e5d062c32297/15175086816.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c02af9cc8d---99325194702.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/25630261018.pdfIn PDF document text
  • http://lohsclassof70.com/clients/3/31/31ca850ff086a58b81c8700e10a01852/File/39617899941.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/kevewipawavotevovokabovop.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/nukenimunilutowoposomiv.pdfIn PDF document text
  • http://naturallabs.fr/userfiles/file/wasuvelisunuj.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210511102231_324328018.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/tutidegub.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/kibananenedew.pdfIn PDF document text
  • http://statewideroadservices.com/clients/879378/File/peravojeripujimuviku.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b37190e7e---40744487793.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607490bac5ec3---niwaxejivodubo.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/04n7i0tnu5vr5tt6mogkecnhnj/xozajapib.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/hfsh4b3d5oq4j8onu0qa820be3/zevugifo.pdfIn PDF document text
  • https://casabresciani.it/uploads/file/xutapu.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a051aa8c9ba---bufubojedukoxagirug.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3ad3e3fa886a449f15f29866824cf801/wojuvifanoxutibamolulosos.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/paruradosodiletukopunas.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/f1e8dfa566608fce87d968d975206dd1/8296949894.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=what+are+ethical+and+social+issues+related+to+an+information+systemPDF 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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