Malicious PDF — malware analysis report

Heuristics 5

• 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://garglob.ru/uplcv?utm_term=uppababy+vista+manual+2016 PDF link annotation

  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8958151790---pukida.pdfIn PDF document text
  • http://qbcar.ru/ckfinder/userfiles/files/8941483429.pdfIn PDF document text
  • https://cytairtool.com/test/userfiles/file/20210609_7db7d.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/nokadejutuwawizusu.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/65c048f95dc2d61022f9880efeb42eae/58162508870.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/21f17307cf69b953ce6eccdcfd44326c/6580839694.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/300556f9301a86d1cb10e5bd349f41df/61309946812.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/torozonadurozemosajo.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/2021811015451927.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/24121433018.pdfIn PDF document text
  • http://execdentalclinic.com/uploads/ckfinder/userfiles/files/60861510154.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607544111cdf6---62964700669.pdfIn PDF document text
  • http://euro-ex.com/images/blog//file/jelarodafozo.pdfIn PDF document text
  • https://blueparadise.pl/userfiles/file/jabojedatefegotilawab.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/e2756f3070a9bc4a2335507c62204ae3/40593261585.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/nafowigonenamet.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077bb059e036---vovugosadokasag.pdfIn PDF document text
  • https://lesrimaudieres.com/images/uploads/file/kolugubidoxel.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875a95f3750---16344461349.pdfIn PDF document text
  • https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/47660307915.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/xirobigagofopa.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a826208aca0---fujuwomo.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16087004ad1ad7---341565122.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f37f5d90f3---56968855282.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/5890318686.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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