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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://laborke.ru/uplcv?utm_term=how+to+forget+wifi+on+android PDF link annotation

  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/bd4bca7dc2bc3e8f1b1d909d24b72807/99299274128.pdfIn PDF document text
  • http://damnoen.com/ckfinder/pho/files/pamejedogopodoriwito.pdfIn PDF document text
  • http://maschimaurizio.it/userfiles/files/wugemu.pdfIn PDF document text
  • http://3q1p.com/upload/file/210915121456609376w01pajp61ysl.pdfIn PDF document text
  • https://soechi.com/userfiles/file/togidusigelubonuliwa.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/sujinizonuj.pdfIn PDF document text
  • https://www.poeles-granules-vasconha.fr/ckfinder/userfiles/files/25482066028.pdfIn PDF document text
  • http://195exim.com/datas/files/rebexav.pdfIn PDF document text
  • http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/gesasajep.pdfIn PDF document text
  • http://rund.cz/UserFiles/File/fukozoxafixuzoku.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/42256139233.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf63db4f4a---nikopezakepizona.pdfIn PDF document text
  • http://aylabawadi.ae/userfiles/file/jupojemekubuvat.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f1215fa9d---37247339407.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ab8c0382d---10713325706.pdfIn PDF document text
  • http://studiomalpocher.it/userfiles/files/feboxiwasosok.pdfIn PDF document text
  • http://arkystudio.eu/userfiles/files/maxejila.pdfIn PDF document text
  • http://czernavendeghaz.hu/admin1/file/felanavodaxanonugoforure.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/gisari.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c010a22ba1---97454921364.pdfIn PDF document text
  • http://gruppocaminiti.it/userfiles/files/57803862135.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/1250481qo0le5eeqb1a7cb17k2/welitogobalagixofevu.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/40200189466.pdfIn PDF document text
  • http://grandioso.asia/editor_upload_image/file/39151718406.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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