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
• 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.
• 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://bologen.ru/123?utm_term=potential+difference+between+two+plates+equation PDF link annotation

  • https://site-1223352.mozfiles.com/files/1223352/social_emotional_development_chart.pdfIn PDF document text
  • https://site-1173572.mozfiles.com/files/1173572/wuzagetepukitupejimo.pdfIn PDF document text
  • https://cdn.sqhk.co/xeduwukaxusa/jje07gd/realtimes_video_maker_apk.pdfIn PDF document text
  • https://cdn.sqhk.co/pevelefotuve/I6RKii4/59878600668.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412900/normal_5fe5f449dfcb8.pdfIn PDF document text
  • https://cdn.sqhk.co/koxopumo/zBgixge/dark_blue_wallpaper_for_laptop.pdfIn PDF document text
  • https://gafekiwukuwemul.weebly.com/uploads/1/3/4/3/134313713/ef16c77d67e.pdfIn PDF document text
  • https://cdn.sqhk.co/mujejadalale/OQoHUhh/recharge_pcs_mastercard_tabac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416934/normal_5f9b219c9e937.pdfIn PDF document text
  • https://site-1176040.mozfiles.com/files/1176040/58825578098.pdfIn PDF document text
  • https://site-1176708.mozfiles.com/files/1176708/favojalowamezifotowexa.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379971/normal_5feba350eace0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414498/normal_5f995dd4cf076.pdfIn PDF document text
  • https://site-1172255.mozfiles.com/files/1172255/3_oz_chicken_breast_nutritional_information.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/gelawiweza/chiari_1_malformation_symptoms_in_infants.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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