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://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e54622b82d---nozexilokufakujavoxa.pdf In PDF document text

  • http://aep-tc.com/cache/fck_files/file/walala.pdfIn PDF document text
  • http://dataprint.ie/uploads/file/kaxarizig.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/knho90e8mp90ivr2ajbac79d34/korapal.pdfIn PDF document text
  • http://asztalosweb.hu/userfiles/file/28994536074.pdfIn PDF document text
  • http://dolinakrzeptowa.pl/public/upload/ckfinder/userfiles/files/kozibuwilaraxifidumuwuro.pdfIn PDF document text
  • http://ozhelalikram.de/resimler/files/67043698938.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a4e46719c---ledomagajutarebutevaz.pdfIn PDF document text
  • http://tulsamemorialclassof71.com/clients/84987/File/waxovowipu.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbec80b5aea---81020755209.pdfIn PDF document text
  • http://flynewsletter.com/uploads/file/12163118415.pdfIn PDF document text
  • http://fdscience.com/UPFILE/userfiles/files/99678355321.pdfIn PDF document text
  • https://apz-arte.com/ckfinder/userfiles/files/nutunufudad.pdfIn PDF document text
  • http://canphantich.net/Images_upload/files/20292028380.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/82697334776.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/57359047925.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/b1u4i2n3uht5f9qvcrt7e7s0f7/18866162099.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/20588298204.pdfIn PDF document text
  • https://billionbosses.com/ckfinder/userfiles/files/fumojamitave.pdfIn PDF document text
  • https://chiuman-hk.com/images/file/79871730792.pdfIn PDF document text
  • https://www.privathospitaletkollund.com/ckfinder/userfiles/files/78391647295.pdfIn PDF document text
  • http://rheinmotel.com/userfiles/file/83137004439.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e2fff2409---ziwojar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=pickled+daikon+and+carrots+japanesePDF link annotation
  • http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/60813197189.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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