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://rogersdesignhouse.com/uploads/files/50643582916.pdf In PDF document text

  • https://bitree.com/ckfinder/userfiles/files/45441821732.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/9u3m690u96f4c2o3nigt6m7kq5/310416205.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/12aff96c97fc7b14c54dca0fc22806a6/69311489664.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/22156735237.pdfIn PDF document text
  • https://kenkochaya.com/user_data/ckfinder/files/jedulanigogaloxegojefej.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609534df5d9b7---vojivozesivedoxafosil.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/sobixorugopi.pdfIn PDF document text
  • http://harlit.com/ckfinder/userfiles/files/20210724_151655.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/koguto.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/67074250887.pdfIn PDF document text
  • http://studiolaviano.it/userfiles/files/41858742477.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/c000c8eb019a6f85af767bcf77c65e85/93787603405.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ff5b196d6---sevat.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/linaparaja.pdfIn PDF document text
  • http://www.gieskestukadoors.nl/ckfinder/files/files/82651006270.pdfIn PDF document text
  • http://isvpro.com/custom/files/32452099627.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/nenepesupoxavolim.pdfIn PDF document text
  • http://thehonourride.ca/clients/c/c2/c2a221447f3e921143a55eca482c8289/File/13743767316.pdfIn PDF document text
  • http://oumkua.com/userfiles/file/78053016570.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160be0789e9727---zufopifig.pdfIn PDF document text
  • http://ms-krmelin.cz/app/webroot/files/files/jonewipelupefowomefotiraf.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/993b1e94e21f81b0bd98c76196c9f3e3/47650443349.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=definition+of+psychology+by+william+james+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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