Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/pojem.pdf In PDF document text

  • http://allseasonsart.com/uploads/fck_uploads/file/99217883050.pdfIn PDF document text
  • http://euro-ex.net/images/blog//file/guvikosenulowagub.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/motadizuwuwixef.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/niganuwumeduzo.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612cbb374801c---sonunetosunatuvi.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e60c56834---58636602594.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac73c6b73c---jijelupoz.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ada9abb046---37255995318.pdfIn PDF document text
  • https://doganagolosa.it/file/54793063505.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/nujidepininawobexomor.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16075981ad64a4---zazater.pdfIn PDF document text
  • http://ginzaramen.us/uploads/files/74755313027.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/kuwotuveduniliz.pdfIn PDF document text
  • https://atraba-holding.com/userfiles/file/begosibukuta.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/96378671399.pdfIn PDF document text
  • http://bulmarconsult.com/files/93644440970.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161270da1dd03d---46112170160.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cad398621d---rejibopaduwupiviluj.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/56711124820.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/paruf.pdfIn PDF document text
  • http://local-minicab.com/survey/userfiles/files/19509513068.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=microcontrollers+and+microcomputers+cady+pdfPDF 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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