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 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 https://crewmak.ru/uplcv?utm_term=how+to+find+removed+apps+on+android PDF link annotation

  • https://flammerouge.ch/userfiles/files/24170611994.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/30012228108.pdfIn PDF document text
  • http://educasters.co/ckfinder/userfiles/files/8917954911.pdfIn PDF document text
  • https://jotekonybakterium.hu/userfiles/files/pafew.pdfIn PDF document text
  • https://charlesstreetvideo.com/userfiles/file/34577097299.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/dawifawibadafedujav.pdfIn PDF document text
  • https://vsevolozhsk.mebel18.com/uploads/files/24059951555.pdfIn PDF document text
  • https://classconnbio.com/img-jacson/files/60667562541.pdfIn PDF document text
  • http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/kajazifanek.pdfIn PDF document text
  • https://basisnomor.com/contents/files/10945118232.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/vsjgoaso0hulvcin11pfc3h3l2/jesakuwarabudum.pdfIn PDF document text
  • http://skkl.cn/filespath/files/20210904000308.pdfIn PDF document text
  • http://studiomarcheluzzo.it/userfiles/files/kobojevumibepelatiro.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/bediwafejejaxotejagugi.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/t5q4r50t4jqho9mfj2refvs7uk/nabiragut.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/47264329642.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613265ffc4021---nulaxevewipufekunalom.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5ppd7vm0bigb0vinjeh7ff6e75/33219016606.pdfIn PDF document text
  • http://archinfo.ru/uploads/file/82368771775.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/13992468602.pdfIn PDF document text
  • http://burbank.kopanramen.com/uploads/files/ripeputi.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132eef361a71---kafozajadipisarerupexefe.pdfIn PDF document text
  • http://findingthegrey.com/userfiles/file/17248874906.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/46aea6d90fa271f82a220b48ff47bbf3/80831468090.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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