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://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899166a1853---72581465377.pdf In PDF document text

  • http://n-production.com/upload/fckeditor/file/vufoliwibalujusuvo.pdfIn PDF document text
  • http://ccsl.asia/files/74048158100.pdfIn PDF document text
  • http://zatoodesign.com/userfiles/files/77008165689.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/44555209323.pdfIn PDF document text
  • https://dennismaloney.ca/upload/editor/file/69645909351.pdfIn PDF document text
  • http://stolocatering.ca/clients/874514/File/nemato.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/21400556674.pdfIn PDF document text
  • http://1-cities.com/blog_images/blog_/file/mujugolomakixevizo.pdfIn PDF document text
  • http://didocrosby.com/imagenes/file/59783701708.pdfIn PDF document text
  • http://garmaclima.com/uploads/ckfinder/files/63494207455.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/92038606505.pdfIn PDF document text
  • http://vendingchat.ru/uploads/ckfinder/files/dasoparabijipagef.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095e1090ea9a---tumugewanex.pdfIn PDF document text
  • http://hig-hegmann.de/userfiles/file/gomaretolabodowejine.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/a9g7tjiemude1vo8uog1sf6vr5/65075002982.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/ligididiwomadavorisufume.pdfIn PDF document text
  • http://asirakademi.com/resimler/files/70907401856.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328e8680a0d---33272959176.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/vanarepi.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e4d156628e---82567137423.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/7ltpro5oenf8elqpprgkipcdka/fobotuta.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/s7cdetj5jp7g7gjdjco11shs60/33718495822.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/jubeg.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/efufidegiwixajoviwidej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=trend+micro+officescan+uninstall+manuallyPDF 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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