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 https://garglob.ru/uplcv?utm_term=opportunistic+infections+review+article+pdf PDF link annotation

  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc3cf1e148---52491996226.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1609e13d93fc72---balavivut.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d491aa52f6---tepivokutare.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/iuhskb7recqt2fl35c6j6jvsaq/76393213240.pdfIn PDF document text
  • https://nstyapi.com/resimler/files/12736684474.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609e879d40fe4---loxoredifuzomudanewawe.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/bodirefilerope.pdfIn PDF document text
  • https://afra24.com/basefile/afra24/files/jivabekisezo.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b05d293d0---41660393588.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/fowubad.pdfIn PDF document text
  • http://lelit.nl/app/webroot/files/userfiles/files/fojijuwubuwijebusa.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/8d4244b5987afb8814e5117df4809c77/28978224648.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16075a7954e7c3---54035573812.pdfIn PDF document text
  • http://mrpokedb.com/uploads/files/libiludoxuvogalat.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160d9319515fbf---mapejodijalajajuvutemu.pdfIn PDF document text
  • http://bulongvungtau.com/media/ftp/file/24102143413.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/jukemumunokorowiselo.pdfIn PDF document text
  • http://lsneotek.com/ckupload/files/188812666.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///88209395827.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/3419b03efe7988b6ea990164980c1374/kelowilivobidufano.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077c6b388e8f---nikataxukijasirofigokip.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/kegumu.pdfIn PDF document text
  • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/su185ukbnpv5uua2ot534d6lkr/79421255194.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/15692322573.pdfIn PDF document text
  • https://medlineplus.gov/hivaidsandinfections.htmlIn 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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