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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://vilenefex.ru/123?utm_term=hbse+open+12+date+sheet+2019 PDF link annotation

  • https://cdn.sqhk.co/mopomotop/e9hliie/23639179819.pdfIn PDF document text
  • https://setunifajufin.weebly.com/uploads/1/3/5/9/135989633/lumaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402706/normal_601b2a3f0531d.pdfIn PDF document text
  • https://vobelorigod.weebly.com/uploads/1/3/4/0/134096073/cff118f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4446026/normal_5feb1174f40f4.pdfIn PDF document text
  • https://cdn.sqhk.co/wogokodu/jdygcmr/trending_hashtags_instagram_right_now.pdfIn PDF document text
  • http://fituxem.sportsontheweb.net/39860797558.pdfIn PDF document text
  • https://cdn.sqhk.co/gunonutib/fW9Vhag/78908088292.pdfIn PDF document text
  • http://wejesigozolireb.getenjoyment.net/english_speaking_course_book_in_gujarati.pdfIn PDF document text
  • http://xazixovabifin.medianewsonline.com/bums_syllabus_2020.pdfIn PDF document text
  • https://cdn.sqhk.co/kefekawit/jijgpbs/mamomikesevek.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485157/normal_6034f686abbaf.pdfIn PDF document text
  • https://kebumemimax.weebly.com/uploads/1/3/1/6/131636814/8279218.pdfIn PDF document text
  • https://cdn.sqhk.co/tipusuzog/zpXhhnr/98238882253.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380090/normal_603385a2aa4ec.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://4f65703b-d4c0-4c9c-9e30-73c8cc83ec5d.filesusr.com/ugd/54fa57_ee285139b66847729b66d18b64f5c633.pdf?index=trueIn PDF document text
  • https://add83a7c-0e31-48b3-928b-061d82ba9144.filesusr.com/ugd/205ae4_ed12a26970b74566b6074c64eaf2b34e.pdf?index=trueIn PDF document text
  • http://sajulugebimisu.myartsonline.com/38760555977.pdfIn PDF document text
  • https://89d9876f-4e47-4433-ab5b-8da47ae3ae5c.filesusr.com/ugd/37c326_f7268d5da3384f4baf4c790b9a301146.pdf?index=trueIn PDF document text
  • http://rojanesifilagu.myartsonline.com/cell_communication.pdfIn PDF document text
  • https://711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com/ugd/a0905b_3aa2b0d38787422fa36558d6ab159a6d.pdf?index=trueIn PDF document text
  • https://56076a71-1b70-41e8-afe1-d547c394b4ee.filesusr.com/ugd/ab0d05_7d66d02a4c874cbc9370097b83daf762.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text

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