Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://cctraff.ru/wb?keyword=hiv%20prophylaxis%20guidelines%20opportunistic%20infection In PDF document text

  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3079835.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386337/normal_5f91f2375194a.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/909bfb89-4ba3-48cd-9f8e-1c02ee00a75a/88687568657.pdfIn PDF document text
  • https://s3.amazonaws.com/jefazaxal/billings_senior_high_school_mt.pdfIn PDF document text
  • https://s3.amazonaws.com/wanalovum/fegujuxebalopuxez.pdfIn PDF document text
  • https://s3.amazonaws.com/baxegezivumi/month_to_month_lease_template_texas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40ec3de8-5102-48e7-971f-98143fc0258b/illinois_lottery_instant_games.pdfIn PDF document text
  • https://s3.amazonaws.com/jadere/27300925507.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8df15fe1-9366-4fac-abc5-8dd1d6e7529e/83435895259.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8eccfd32-8bae-4016-b5c1-aa4620b7a1d2/sal_or_the_120_days_of_sodom_1975.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ddd7a421-3543-4f5c-824a-f6ec25350643/atada_a_ti_sylvia_day_espaol.pdfIn PDF document text
  • https://s3.amazonaws.com/midipes/new_community_acquired_pneumonia_guidelines_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/kisimujuk/epilepsy_foundation_seizure_action_plan_form.pdfIn PDF document text
  • https://s3.amazonaws.com/xezujuxoz/95293764203.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39a07627-0e62-4e94-a164-896b9feeca43/jojilonovagiri.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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