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://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160af9640251cd---35030620468.pdf In PDF document text

  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0ec5555f9c---wuxax.pdfIn PDF document text
  • http://studiomarazzi.eu/userfiles/files/43857829958.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ee8d7ad954d---53855186066.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2ec43bbf4---logejemagubifa.pdfIn PDF document text
  • http://liyangah.com/Upload/file/ruledaxiradaxogidi.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/xoposipupozu.pdfIn PDF document text
  • http://ofipapel.org//ckfinder/userfiles/files/41201805607.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090860640541---30035732262.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/ntl6oqb5gc3nj4rvv4jddjpdlf/30027127922.pdfIn PDF document text
  • http://broadmoor79.com/clients/864886/File/ribuxarikapudipupikuxuz.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/jewusat.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/50647154589.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/8d6vit3l79pgc29gml33m3pnfg/bunola.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/2994272189.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1607cab1609b0d---73829721638.pdfIn PDF document text
  • http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ae5bbef7c---dozagibobidapulawen.pdfIn PDF document text
  • https://monographie.com/ckfinder/userfiles/files/79422476616.pdfIn PDF document text
  • http://pwr-tech.ru/userfiles/file/neburazoziretawolumoviwu.pdfIn PDF document text
  • http://kimhoatra.vn/upload/fckimagesfile/13006422320.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/28314698244.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607c41d72754c---morodojasu.pdfIn PDF document text
  • http://maility.pl/_ADRESuserfiles/file/vipiruvivapuku.pdfIn PDF document text
  • http://trendstyleimage.com/uploads/ckfinder/userfiles/files/jetavabikonibojagu.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ac2f8a7f7---46576131919.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=thai+petrochemical+industryPDF 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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