Malicious PDF — malware analysis report

Heuristics 7

• 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 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 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
• 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://yafferge.ru/strik?utm_term=explain+how+companies+use+pr+to+communicate+with+their+publics In PDF document text

  • http://ganalozugimak.iblogger.org/41041253593.pdfIn PDF document text
  • http://gikubozudunol.iblogger.org/29889351682.pdfIn PDF document text
  • http://suvijedujame.iblogger.org/95943319998.pdfIn PDF document text
  • http://xojitufos.66ghz.com/8826850750.pdfIn PDF document text
  • http://pozufopajosel.mypressonline.com/turbo_chameleon_64_amiga_core.pdfIn PDF document text
  • http://rapegutuxipik.22web.org/kugoxomewa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://luvabokinoleg.onlinewebshop.net/dedunumafebiz.pdfIn PDF document text
  • https://27aa3d6a-fcc1-4574-a8e0-77dd5bf64dcc.filesusr.com/ugd/7683ec_33c5ccaf02224b999c5376cf7fcc23a0.pdf?index=trueIn PDF document text
  • http://kewevagisugimuw.onlinewebshop.net/jebapidudizetirimugi.pdfIn PDF document text
  • https://6f465708-eb37-4ee2-8658-ebeec6cd93ea.filesusr.com/ugd/4bb103_c0cae4bc6bbd4eeb830d3a83dc186055.pdf?index=trueIn PDF document text
  • https://299bc67c-4c9a-44ea-852c-18f2d39dca40.filesusr.com/ugd/954c8b_b4e3934737fe4d448201f342d179f2d6.pdf?index=trueIn PDF document text
  • https://f608bf75-187c-4b28-9621-af925c05c2b6.filesusr.com/ugd/05e3ad_bd9acae9c5f54bf98b575cc991682fd7.pdf?index=trueIn PDF document text
  • https://cb0920a4-0dfc-4587-8161-bd3bf883b043.filesusr.com/ugd/df391a_4f7cbcf664c8477d98d04893dc713122.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8c7857a-cbca-48b8-86ce-83382c616fd2/84639963660.pdfIn PDF document text
  • https://7133fc40-0b9c-4701-b953-e7fafc934b44.filesusr.com/ugd/70a38d_92874715ad7f47e3ae8ea37a95eca57f.pdf?index=trueIn PDF document text
  • http://demoxivefuwuvi.rf.gd/android_fragment_callback_null.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55a23caa-827f-4667-8d78-f47a0bda1fd0/westinghouse_universal_remote_codes_for_sony_blu_ray_player.pdfIn PDF document text
  • https://156bb51f-0b62-477f-88ca-8620af00812b.filesusr.com/ugd/e3ff21_c530cf198510481f8776054951cd97f3.pdf?index=trueIn PDF document text
  • https://6a24fdd2-d4a5-4c4b-882b-0f3115751bcf.filesusr.com/ugd/04e6f9_7ab08a3b19ea4536b74099a768d65222.pdf?index=trueIn PDF document text
  • https://aee666f7-65d2-4416-8089-42e5bd85255d.filesusr.com/ugd/c4036c_e3cde347c7f3441b829abbb1639f7f08.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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