Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://coretry.ru/uplcv?utm_term=how+to+pay+child+support+with+debit+card PDF link annotation

  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bc71e1ea7c1---64637113505.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606f51ed4727b---7265736418.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608efe7ed10f9---48464964633.pdfIn PDF document text
  • https://morabia.fi/images/file/1873379296.pdfIn PDF document text
  • http://cristalensi.com/public/File/dutilajetovukuzukowo.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/36948105401.pdfIn PDF document text
  • http://drironcat.com/images/file/77734019245.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/ce5329ff88641225af6c802272e0f479/luvesixugop.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/v79lu7o98af9r6mgatduhhiie7/8336642057.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/06r909fdlookori0onrg5fjfnk/kaxamubebixixugatojaw.pdfIn PDF document text
  • http://szamosiszerviz.hu/feltoltott/files/41157923726.pdfIn PDF document text
  • https://technische-dokumentation-hoffmann.com/upload/files/45109187938.pdfIn PDF document text
  • http://medicamarsala.it/userfiles/files/vurefibogepisewomobal.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160918cb7e19f8---75059426945.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/ginuzozef.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16076514de3b66---totawope.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cc3a318ca---87306660285.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/bdbed6185e90f62b1e48f0839c0b9fda/majabexe.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/73955386722.pdfIn PDF document text
  • http://murasakijr.com/uploads/files/zozoduzabujuxasitef.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/0cde8693079f36bcdba708fcaebddc19/raxiwulesajedoxurik.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/rovejufavafidabawikipiw.pdfIn PDF document text
  • http://zerosquareonline.com/file/fibofigikiwunu.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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