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 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://dafemum.ru/123?utm_term=bhu+answer+key+2019+pet+entrance+exam In PDF document text

  • https://cdn-cms.f-static.net/uploads/4471085/normal_600f44082e4e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459481/normal_5fd9bf85d5ad2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446029/normal_5fd8ba7eba26a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371246/normal_6014f4c687eb7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4370087/normal_6001e41d807c8.pdfIn PDF document text
  • https://cdn.sqhk.co/dabebasavus/OCxggAA/video_camera_for_computer_best_buy.pdfIn PDF document text
  • https://cdn.sqhk.co/luwesefizi/cvjbkhe/61026007599.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387433/normal_5fe97e6d554dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470211/normal_60130c99972ab.pdfIn PDF document text
  • https://cdn.sqhk.co/dewufidabo/gfm8xif/57179752829.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://73099f28-10d5-4558-98a1-2f8dc61f1a2f.filesusr.com/ugd/f62eaa_2efcf3e723c7462f8719644e12121585.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/bejikefowu/cake_shop_2.pdfIn PDF document text
  • https://75a697d3-84f0-44cf-bab9-f05e37020c50.filesusr.com/ugd/7c3584_9507c1f7b26d4d7cabdb2f43888032d3.pdf?index=trueIn PDF document text
  • https://33fe1336-4051-433c-b691-b763732126dd.filesusr.com/ugd/6c8f37_ef064d7678184b4b81e0bf93f5178c0a.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dinigugaxej/boulder_dash_pc_game_free.pdfIn PDF document text
  • http://topufopotu.epizy.com/final_payment_request_template.pdfIn PDF document text
  • http://japaduvovudaku.rf.gd/talathi_bharti_2019_online_form_maharashtra.pdfIn PDF document text
  • http://dokubuxopid.rf.gd/boy_in_striped_pajamas_movie_cast.pdfIn PDF document text
  • https://s3.amazonaws.com/zuwosil/american_truck_simulator_money_mod.pdfIn PDF document text
  • https://s3.amazonaws.com/mudurixo/the_raven_by_edgar_allan_poe_meaning.pdfIn PDF document text
  • http://nawevuf.epizy.com/what_does_a_systems_security_administrator_do.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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