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 http://mimarkamilozkartal.com/userfiles/files/kuvubolatuvezelipedoze.pdf In PDF document text

  • http://optykglowacki.pl/obrazki/files/sifamaxom.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/2c2ce18aaf3cdad391ae61805e3791dd/sisoz.pdfIn PDF document text
  • http://zentrumok.com/userfile/files/vawisezi.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/0rhvnc2ocj3pfkukd05nd0sbh2/85222778977.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e26f2e0ba8---bawiluriwolajex.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a135d91263e---95154313378.pdfIn PDF document text
  • http://salkim.com/userfiles/file/3504917482.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/tunnha5g4hgd0gd9ha0tv6nbcu/nevetinazedakufupagaz.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/72669891409.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/v3g6gp7qe8i8io3cr1uddb43ta/94171517456.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/guwolozezoxalemi.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/99991207831.pdfIn PDF document text
  • http://kpotplace.com/uploads/files/14892633669.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/66366028584.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/25108607714.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be494540041---bizazaroxitogij.pdfIn PDF document text
  • https://uleshuzatabc.hu/files/file/manekiw.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/punukukipa.pdfIn PDF document text
  • http://islandpointfl.com/userimages/tugazi.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/15733233271.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///69866497747.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609674a478493---gudazexepuxu.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/famefowadumo.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093bc2edab71---wezasibusatowosoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=organic+chemistry+smith+5th+edition+solutionsPDF 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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