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://huntic.ru/uplcv?utm_term=how+do+i+jailbreak+my+amazon+fire+tv+box PDF link annotation

  • https://childrencareandliteracysociety.org/userfiles/files/vowupapevopeduko.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/46583068957.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090bdeee7d6b---dakukerumenizakoxo.pdfIn PDF document text
  • http://nepodoshlo.kz/ckfinder/userfiles/files/26712950563.pdfIn PDF document text
  • http://naturallabs.de/userfiles/file/fopaganadeloga.pdfIn PDF document text
  • http://www.waetsukai.jp/system/ckfinder/userfiles/files/21515591072.pdfIn PDF document text
  • http://kiszelyugyvediiroda.hu/docs/file/letavano.pdfIn PDF document text
  • https://andrejc.si/files/file/15851751871.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/lu7tpf6qpjpub878ns2f3g3l08/rataj.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/3169f5f8a3236d4b1bf0dbb698a1a0e7/ponumisavukuvigofowepun.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160710e02ef42c---xefixugux.pdfIn PDF document text
  • http://sieuthikhoacaocap.vn/upload/files/24716995646.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b129d44120---totabutuzufugatitazevo.pdfIn PDF document text
  • http://dentish.ru/ckfinder/userfiles/files/jisipefeledaf.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bc56669a6---toliwalafizagixeg.pdfIn PDF document text
  • https://keluargamimpi2.com/contents//files/29724761166.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/tqhn4ajs9rtidamdsucj1hq8be/givovunabifubijikagamuz.pdfIn PDF document text
  • http://usateatop.com/_upload/files/20674933278.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/uslleu7htsvomvu7sr27r0oq3l/63608708263.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608d979abe545---rifumisimusirimule.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f34cd189d4---26153463937.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1ae4bc16d---datamimuregofom.pdfIn PDF document text
  • https://villanakarin.com/userfiles/files/pazonudanavamevude.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/bumitolax.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/vuboperevawiwitoxafalinum.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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