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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://nomylo.ru/uplcv?utm_term=introduction+to+cell+biology+and+genetics+pdf PDF link annotation

  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1f5e27939---22190821515.pdfIn PDF document text
  • http://jmdfhjl.com/fckeditor/userimages/file/xegunaruwizukunumanot.pdfIn PDF document text
  • http://unicaconsultoriarh.com/images/files/tugukeromavevoxesotole.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/d8a586ed68fe5550307bc60a6ae17b9d/63792814851.pdfIn PDF document text
  • http://a-mega.ua/images/uploads/file/97439960946.pdfIn PDF document text
  • https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/u2aabv1aaflrvlvbjb2gjf4a5f/19513084994.pdfIn PDF document text
  • http://cgemfoco.com.br/ckfinder/userfiles/files/54573974181.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609298aeeabfe---jomexizigirivudidap.pdfPDF link annotation
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16095fa743babb---funawowapilosexobava.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/93eb03cbbc30c1e27ebd1e2c80f08b52/8064485036.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/jusufugepazupogu.pdfIn PDF document text
  • http://cesishotel.com/res/wysiwyg/file/13249493693.pdfIn PDF document text
  • https://mimpishio2bet.net/contents/files/76411377176.pdfIn PDF document text
  • http://www.hkimm.hk/_bin/ckfinder/userfiles/files/segob.pdfIn PDF document text
  • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/govegexul.pdfIn PDF document text
  • https://chungcungoaigiao.vnpec.xyz/uploads/files/8648912450.pdfIn PDF document text
  • http://speaklifeiamgreatness.com/files/files/49549033742.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/rukow.pdfIn PDF document text
  • http://hum-lucknow.org/test/fckeditor/file/sezawimevilapuju.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612b96b63f512---julekeg.pdfIn PDF document text
  • https://aprenda-atdi.com/uploads/files/xalikufipelex.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3675a0d988---51591099781.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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