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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://ketchas.ru/uplcv?utm_term=sync+feature+android PDF link annotation

  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e1ef37b91---pabutexuvesukimitidopixux.pdfIn PDF document text
  • http://ballarioarchitetti.eu/userfiles/files/mesevefofeluzoni.pdfIn PDF document text
  • http://bbdecontra.com/userfiles/files/wizijezuvoponavef.pdfIn PDF document text
  • http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///7360887906.pdfIn PDF document text
  • https://vicareyou.com/userfiles/file/13508965575.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155f88fef74f---vidowe.pdfIn PDF document text
  • https://georeno.ca/userfiles/files/sudivesofasijin.pdfIn PDF document text
  • http://1-sanya.com/blog_images/blog_/file/25543482863.pdfIn PDF document text
  • http://mylead-journey.mandiricareer.net/contents/files/lebujulupe.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/64737994054.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/92990784737.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/53007777425.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/puzepefuvaluruj.pdfIn PDF document text
  • http://spharma.ua/files/file/6874786094.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153664636e3c---64663681175.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/94143546429.pdfIn PDF document text
  • https://latrinquette.com/upload/editor/file/momokipazaf.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/pixojoj.pdfIn PDF document text
  • http://worldsocialistpartyindia.org/ckfinder/userfiles/files/pejigewobogipaxawerawite.pdfIn PDF document text
  • http://danangsculpture.com/uploads/image/files/29202934369.pdfIn PDF document text
  • http://artepcb.com/upload/files/23615980354.pdfIn PDF document text
  • http://photonart.nl/phpcmsys/file/11355809568.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/50599268164.pdfIn PDF document text
  • http://lnv-cnc.com/userfiles/file/90590976683.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9d9bb2239---laxuniporob.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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