Malicious PDF — malware analysis report

Heuristics 6

• 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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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
• 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://crophysi.ru/123?utm_term=acute+coronary+syndrome+treatment+guidelines+2017 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4387928/normal_600fd78a42fd9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4481847/normal_5fdd1aa520099.pdfIn PDF document text
  • https://rogetaguw.weebly.com/uploads/1/3/1/4/131407632/1604200.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450152/normal_5fe982459da47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4456393/normal_602953b5c30fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4499329/normal_6047dd1ae727e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4446152/normal_6004b5717538f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373755/normal_604d184d38ec9.pdfIn PDF document text
  • https://sexozorojupur.weebly.com/uploads/1/3/4/3/134390270/2715581.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459035/normal_6044bb63239b4.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4368788/normal_60b534ef1551e.pdfIn PDF document text
  • https://pojebozotez.weebly.com/uploads/1/3/2/6/132695867/d1889886.pdfIn PDF document text
  • https://pofifeluvoka.weebly.com/uploads/1/3/0/7/130739131/726f72aa48bb8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417815/normal_600626801c8ae.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384308/normal_5fc64e3517920.pdfIn PDF document text
  • https://wobafedufuj.weebly.com/uploads/1/3/4/0/134012960/5177494.pdfIn PDF document text
  • https://jikodidujur.weebly.com/uploads/1/3/5/3/135319234/1136890.pdfIn PDF document text
  • https://rojirewika.weebly.com/uploads/1/3/2/7/132710632/5fe531.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4377125/normal_5fe56d72d7f27.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/58b03c3b-9fa1-425a-9c16-b86eaa8cb220/pathfinder_wrath_of_the_righteous_trove.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b5d6b892-7d9d-41d8-805a-6afdd5c9e06c/dls_profile_data_unlimited_coins.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8c43a2a-98ff-4844-beef-119c76960974/19518869649.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb417de4-7dce-433d-9184-65cdd67fc8b4/whirlpool_dishwasher_wdt720padm2_pump_replacement.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://scripts.sil.org/OFLIn 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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