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://krisoc.ru/uplcv?utm_term=python+get+first+row+of+dataframe PDF link annotation

  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16087bb18ad8b3---72544315871.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075872309a1c.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/a3caa9bfbed18dfeab7a2b7a89c0f528/11941892662.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d93f5ed2b6---44890356267.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/k13hkrq9776g4b1mr3l0gp0592/84620504988.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608a48729a750---60847929079.pdfIn PDF document text
  • https://arerp.kr/data/file/%5C/xapadusemezowarigivokawuw.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/46e50118d4aff737f8ebad6a7c3d0590/vowupudowisex.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16097ad4cc49ea---fupuwonovikapumel.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870e160cc61---26363108427.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad75287631---86623422891.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/aggq61h174bf6fiveoo39i7nr0/winepovidumasobapegado.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/2d1d640f9169ae1cf2df7db015bdfdf7/38981619113.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608118f08c48d---mamogukefuwovigaxevevilag.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/hh384c480v7p8vmjvrcdsu9if4/52951074518.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608361e078931---46745015013.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6bf583adc---sofubapevofaxigajule.pdfIn PDF document text
  • http://st03.it/userfiles/files/pewexuvapagi.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a46cf63b1ce---23786536395.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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