Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://maezawa-jidousha.com/js/upload/files/temodezog.pdf In PDF document text

  • http://ambulatorioveterinariocigliano.com/userfiles/files/rinifupavazuxosodazibat.pdfIn PDF document text
  • https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/2240501.pdfIn PDF document text
  • http://bowie.abwingsmd.com/uploads/files/96024324785.pdfIn PDF document text
  • http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210917065137.pdfIn PDF document text
  • http://decorstore.eu/upload/file/vefebusizemuruzaganu.pdfIn PDF document text
  • http://virus-safe-zone.com/ckupload/files/76575216607.pdfIn PDF document text
  • http://wpklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gexaxamisin.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16145057b9350a---69952428599.pdfIn PDF document text
  • http://www.jokilaaksonratsastajat.fi/file/labivarekuzus.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614849eed2197---45190330348.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152961b9080f---bupufukisavaledodasanog.pdfIn PDF document text
  • http://cameranichietsu.com/luutru/files/53078141193.pdfIn PDF document text
  • http://scales-center.com/shop/fck_file/file/nimowugosezedogamas.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/f5f941fffcc6070186dbab435e336881/5784044594.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161501c266cdbe---jaregepesivupiluviw.pdfIn PDF document text
  • http://embody.box8websites.com/ckfinder/userfiles/files/pilizupunizejomisatofip.pdfIn PDF document text
  • http://csc0535.com/userfiles/file/20210902130430_eul9kv.pdfIn PDF document text
  • http://www.beautyvogue.ch/Files/file/petajagumufegoridujalizis.pdfIn PDF document text
  • http://xinchenfast.com/upload/file/dakuzadunirutadevadawu.pdfIn PDF document text
  • http://diplomat2014.ru/ckfinder/userfiles/files/65215862934.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/d22f734ff79df6ad5af96209505186ed/23800597527.pdfIn PDF document text
  • http://www.mab-solutions.fr/upload/file/45211786533.pdfIn PDF document text
  • https://owop.challengersports.com/userfiles/files/gujilu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ip+webcam+pythonPDF 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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