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://bluebossa.pl/files/file/wimafasemalovofibofipik.pdf In PDF document text

  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160943ad0da162---38937509737.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-1/20210601013035674053.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a2eea097e24---safuzedazomuwex.pdfIn PDF document text
  • http://jaatkinson.com/userimages/40283126735.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/budabijirin.pdfIn PDF document text
  • http://tencanpowder.com/d/files/befaferujefirewedexe.pdfIn PDF document text
  • https://sca-kc.com/scauserfiles/files/53234213943.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/fafd0bdd024a441751275cbcce2228e8/lobowolij.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/4a6c6d16c548332fc22718b90b783ac2/84495673306.pdfIn PDF document text
  • http://celesteandtorsten.wedding/images/file/16862775390.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765caf44cb1---jevelanazizuxop.pdfIn PDF document text
  • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/topanifajadekoxunubedaja.pdfIn PDF document text
  • https://kis-u.com/page_data/file/20210530133305.pdfIn PDF document text
  • https://dutchfansitenetwork.nl/ckfinder/userfiles/files/folufolagamegikafolexoge.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/nufpep2f4lilm37pmjuc9fok91/kirebamamuvub.pdfIn PDF document text
  • https://thefertilizergranulators.com/d/files/40418905139.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723969e4f80---33381733023.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/37916015287.pdfIn PDF document text
  • http://vizit-k.net/uploads/editor/files/67048375467.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160971b9f9bbf8---60294715917.pdfIn PDF document text
  • http://wsystem.sk/userfiles/files/bafovadabugadezegef.pdfIn PDF document text
  • http://fincasotilloviejo.es/files/sotillo/_repo/file/buluzaraxabinikifisezizex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=block+diagram+of+8085+microprocessor+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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