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://queure.ru/uplcv?utm_term=how+to+recover+deleted+pictures+from+android+phone+without+root PDF link annotation

  • https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/81489955982.pdfIn PDF document text
  • http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/80195148810.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/63008024757.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/56089229578.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/zigido.pdfIn PDF document text
  • http://kibbkw.com/uploads/file/nuruxa.pdfIn PDF document text
  • http://oembag.com/uploads/files/202109141425075897.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e96dd41257---95413252154.pdfIn PDF document text
  • http://yer-krasnodar.ru/ckfinder/userfiles/files/99022468338.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/39741atmhsip92m03jkasmltsr/lajufokubebugopeba.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/xerugij.pdfIn PDF document text
  • http://rent2day.ca/ci2/userfiles/files/vufavur.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/95220981131.pdfIn PDF document text
  • https://lucky-erotic-massage-bucharest.ro/ckfinder/userfiles/files/96165075433.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16133e98b2727b---fubilejon.pdfIn PDF document text
  • https://hotellemaritime.com/hotel/upload/files/sigepufivibazekavi.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/57046055847.pdfIn PDF document text
  • https://interstudy.net/userfiles/file/28475282041.pdfIn PDF document text
  • http://kientrucphatloc.com/upload/files/26642878626.pdfIn PDF document text
  • http://373113.linker.tw/files/kakovuratuxusadalelajam.pdfIn PDF document text
  • http://tovicetour.com/FileData/ckfinder/files/20210901_7E7151AFB02367E1.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/76332575738.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/hlnfbhpjdth3qvgr64b65hqqs1/31448609586.pdfIn PDF document text
  • https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/sipodiwufusu.pdfIn PDF document text
  • https://sandipkumardutta.com/ckfinder/userfiles/files/zuzebobuvimavo.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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