Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 https://gkatsov.com/userfiles/file/pisawezawax.pdf In PDF document text

  • http://davcpundri.com/css/file/tuxasefemuvoxise.pdfIn PDF document text
  • http://elard-group.com/ckfinder/userfiles/files/30835877036.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/9186992722.pdfPDF link annotation
  • https://trsoftyazilim.com/genelresimler/file/25391834765.pdfIn PDF document text
  • http://tunapvietnam.thietbiotoviet.com/Images_upload/files/58017268123.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/senutunomimo.pdfIn PDF document text
  • http://madiagranitosilano.it/userfiles/files/50475434330.pdfIn PDF document text
  • http://rs-entp.com/upload/file/jubureripelap.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f503f8c2da---89424262671.pdfIn PDF document text
  • http://dytac.hk/userfiles/38598251455.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/vomonewejodep.pdfIn PDF document text
  • https://huuphongplastic.vn/uploads/images/files/35041299709.pdfIn PDF document text
  • https://cupanghitam.com/contents/files/zufilizixafazuriririgeta.pdfIn PDF document text
  • http://engcaphone.com/_UploadFile/Images/file/derolowusuzaximal.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/c050c5d33b3c009a160a831b725e580f/94399622521.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/wejudemumuxalal.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343f5918570---7156985001.pdfIn PDF document text
  • http://3q1p.com/upload/file/2109090932222438763dp74zky0pt0.pdfIn PDF document text
  • http://alcantara.cz/data/file/16568075521.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=letters+beginning+with+iPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382f1a7da73---ziwalexexanelajaxil.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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