Malicious PDF — malware analysis report

Heuristics 6

• 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 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 http://xinyaoqiye.com/upload_fck/file/2021-6-17/20210617060330418520.pdf In PDF document text

  • http://sushiosushi.com/uploads/files/narumefik.pdfIn PDF document text
  • http://vo23.ru/upload/file/59100589659.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/23294800083.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160805c1d803e5---pogaboluzizafolemagafu.pdfIn PDF document text
  • https://airshow-bg.com/file/xelosujoxakegavabuw.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/rejudawemipezu.pdfIn PDF document text
  • http://www.tsahimmongol.com/uploads/images/files/loxagobidoladaxiwivovod.pdfIn PDF document text
  • http://monkeytailranchdonation.org/clients/e/e8/e82116dd0b5861b0917add2a69208af2/File/ropusi.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/ve1f7ikn5j5aavd1u7p4jf78rp/89448730338.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c9ca40d33---47376512542.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/1753969411.pdfIn PDF document text
  • http://thaoduocquyhiem.com/userfiles/image/file/segajabusel.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/51486149181.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c37263c8c1b---vusokedobikavifu.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/xomuxogalexukiw.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dec532a4c1e---kinifawuvorisufajajazufi.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/3720366204.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073174381995---kexabilupabuzilo.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/0ac39c42c4821470ee0ed29e0511ad2a/84307364795.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e8572386ab5---15344872939.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962e7f653a1---gelepovagilezujuzas.pdfIn PDF document text
  • http://summitremodelinginc.com/userfiles/files/budelikowalifu.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16077c8594b73a---93728987496.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=essay+template+for+ieltsPDF 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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