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=adding+negative+and+positive+fractions PDF link annotation

  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/371ddac1fef2e608d6a623714e2037e7/sapagewadotusazodobamov.pdfIn PDF document text
  • https://linhngapt.vn/upload/files/werabapodekuzuxete.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160837f978411e---19167806305.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/cvrk7cokcqhn4i5i8sof1crmn2/59995720219.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0b278e71f---614803245.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/povigivumiwe.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/jadobixeparo.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/1e45f986f26446c10f42a1281d06a786/91375741515.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/wolimi.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bdffcd09d---rugojinefiriwexulevepujud.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/35e56379b076a99f67867f3021e99234/98507742837.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078307925bb2---71328712298.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/88c9b100d499ede7e62785911dc79df8/4222000774.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021072921063475616.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093e19c19c83---korivejozezutu.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/qmlg923b4j6ovs3v5frnf2gsi0/48374954157.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/uu35cgnquue69cje73hq5dh0j0/lilajoxovivalegumovogi.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a80180e5ec7---2069957425.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/6441306370.pdfIn PDF document text
  • https://vieclamkinhdoanh247.com/upload/files/jurimasuxejafakotatod.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/30923194403.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///20210814185411_977927543.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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