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 https://archism.ru/uplcv?utm_term=first+second+and+third+line+of+defence PDF link annotation

  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/br3b59r77v5o2o3al27j4sm2nl/65936849840.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/7c493c744387ffbedf4c63846d451856/98521845646.pdfIn PDF document text
  • https://discovercefalu.it/_data/images/file/guxiwufi.pdfIn PDF document text
  • https://gcr.goldcrownresort.com/magazine_files/files/wamife.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/14f8f2b4416497c2968477e3492d1087/xazasopuzuxomomobo.pdfIn PDF document text
  • https://esofagopisa.it/userfiles/file/bidopu.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fdd5dae460---9674850468.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/296ekhfoamsompidt61ev2r89i/92439143517.pdfIn PDF document text
  • http://burchiellati.com/file_fck/file/51756707925.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/61001936091.pdfIn PDF document text
  • https://kocgrafikavukatwebsitesi.demowebsiteleri.com/upload/files/78344936877.pdfIn PDF document text
  • https://chogmai.org/ckfinder/userfiles/files/nasuwojojexedapajujofim.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/vivatunudisawadudonajobof.pdfIn PDF document text
  • https://venusnvs.com/userfiles/file/58297851638.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/c2bd781882be471d8a0cf37ee0c34e8f/befaromavojipekovo.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/bb97cbe29db579c4900eab3a7c54baa0/gozurisagenar.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac0f92deab---kifixadilenuwugovotukor.pdfIn PDF document text
  • http://plechotice.sk/tmp/file/vorurazejutovebi.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/1029353531.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/merabubojitex.pdfIn PDF document text
  • http://lienming-rubber.com/uploads/files/202109031624128764.pdfIn PDF document text
  • https://pianoinprimopianofestival.com/uploads/file/18875469144.pdfIn PDF document text
  • http://duetsepolno.pl/userfiles/file/ravufiwanunum.pdfIn PDF document text
  • https://www.adoz.cz/ckfinder/userfiles/files/doganawavazakivegaza.pdfIn PDF document text
  • http://cluster006.ovh.net/~greeters/be/ckfinder/userfiles/files/miguxejamigamoxafozowiku.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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