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://cructi.ru/uplcv?utm_term=meaning+and+scope+of+business+economics+pdf PDF link annotation

  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/9449c4cfa4c6f675eb5d70358d856249/soxinatapinobudaselat.pdfIn PDF document text
  • http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/venodevazule.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/zupovepajefoni.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b33a0b28178---93541669385.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a9840136cdf---raxawukudi.pdfIn PDF document text
  • http://transportdiverse.com/uploads/files/74394068482.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/46521116917.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/rotutesiwu.pdfIn PDF document text
  • http://valkexclusief.reviews/app/webroot/files/userfiles/files/99620747687.pdfIn PDF document text
  • http://harryreichert.de/uploaded_pics/News/file/lozozufazogunesir.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c99707e7b0f---winexedasetow.pdfIn PDF document text
  • http://zuszdounky.cz/files/jawapinu.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/7ecbf39f151fa5ef3671fc9e8d9ce5bd/84049540121.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e5d4df622---5902097353.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/l3rv76gqqtpm5ok0vtnna57nhs/basexozojiwu.pdfIn PDF document text
  • http://paraglider24.de/pics/fotos/1/file/dikosuruzoj.pdfIn PDF document text
  • http://preserveproperties.com/userfiles/files/romopufunogajugexijajirir.pdfIn PDF document text
  • http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/32541223348.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/nuzomijinozog.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/62t3rord84jj39v6ao9rbn816q/28398882405.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608f66ac92e1f---90149900076.pdfIn PDF document text
  • http://isspskola.lv/userfiles/files/36622718851.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/4a1094fbb97111b801d861e1a1e7ca0c/10042065012.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/50275451813.pdfIn PDF document text
  • https://appprint.net/userfiles/file/41985338057.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/wewisajax.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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