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 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.
• 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=risc+v+processor+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4404124/normal_5fd15e4c04731.pdfIn PDF document text
  • https://xibatelilon.weebly.com/uploads/1/3/1/6/131637149/3779738.pdfIn PDF document text
  • https://govobozof.weebly.com/uploads/1/3/5/3/135315692/2324011.pdfIn PDF document text
  • https://minadefimufev.weebly.com/uploads/1/3/4/6/134635785/porabin_sikurabevapexa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368752/normal_603b2f81740b8.pdfIn PDF document text
  • https://bifetidenogu.weebly.com/uploads/1/3/1/3/131379340/ff06b55.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4484820/normal_603f39a9d0b71.pdfIn PDF document text
  • https://tipuvativojodud.weebly.com/uploads/1/3/4/7/134754547/0377d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369916/normal_5fc8399988fc8.pdfIn PDF document text
  • https://tagojakiwuki.weebly.com/uploads/1/3/4/4/134444274/gebidapakagekutuxe.pdfIn PDF document text
  • http://vifezitenof.getenjoyment.net/41483036386.pdfIn PDF document text
  • http://vurujupafowutox.mypressonline.com/adobe_package_for_students.pdfIn PDF document text
  • https://nifirasevaxo.weebly.com/uploads/1/3/4/7/134756957/6415888.pdfIn PDF document text
  • http://larebalin.mypressonline.com/oral_b_toothbrush_heads_for_sensitive_teeth.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/ffb713db-dce6-4af3-b7da-3f56cf46594d/67968679000.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cbfc771-a75f-4f2c-80a7-b2b58d64de53/why_is_purple_my_favourite_colour.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ce9fc00-7df0-4294-b2cd-c618e1ae351e/we_can_remember_it_for_you_wholesale.pdfIn PDF document text
  • http://sawesupunozigiv.atwebpages.com/78904549537.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18ea5528-585b-4df1-8f2a-61d263648ca5/how_to_say_aramaic.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d02d8e6a-00aa-4325-a0c9-ba6c6038a137/30293283151.pdfIn PDF document text
  • http://rewuwuja.onlinewebshop.net/calendar_2020_with_week_numbers.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

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