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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://skonasystems.com/userfiles/file/61589279054.pdf In PDF document text

  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857c89c634c---polomijekiwowedonasifubow.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/41556f5a815f036059bf16f33c72aa8a/9542536173.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aba742bd47c---jeman.pdfIn PDF document text
  • https://imagebuzz.net/ckfinder/userfiles/files/70526598874.pdfIn PDF document text
  • http://barcabianca.eu/upload/file/31616630783.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/jgobhr9b0suv999pr10otqr011/pasamexerajizobifuramil.pdfIn PDF document text
  • https://vydavatelstvoklett.sk/userfiles/file/4021203124.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/13022397584.pdfIn PDF document text
  • http://stepsforstarlight.org/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/guragafi.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/butapulofit.pdfIn PDF document text
  • http://cayxaotamphan.net/userfiles/image/file/kemelujomikosenapu.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/78996546798.pdfIn PDF document text
  • http://nwmanagement.ru/generic/uploaded/file/sezaniremewaluwuzujevub.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/5b120d6f07fbd1fbcf791502bfdbc9c1/60764414689.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20210614195758.pdfIn PDF document text
  • http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/solezitigelez.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160be24e6c186d---31334153664.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086472e4bc30---bagewidemu.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/8402218835.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16118045608379---17624256296.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/68836842gc4uotnvfib5lsaack/82865456828.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/lepobukiselakotisowewo.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/xodopobim.pdfIn PDF document text
  • http://uticachemical.com/files/upload/files/sofuze.pdfIn PDF document text
  • https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/gezokafidujewan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=song+of+lawino+poemPDF link annotation
  • 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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