Malicious PDF — malware analysis report

Heuristics 5

• 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/123?keyword=basic+concepts+of+disaster+management+pdf In PDF document text

  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/1f83643d4827e.pdfIn PDF document text
  • https://bezebaterizijir.weebly.com/uploads/1/3/1/3/131384714/6856067.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tugunari_fogeze_nezejavoz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369161/normal_5f931a99aa755.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367275/normal_5f910b8beb709.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387031/normal_5f8e8bfe729b5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007c55.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007c55.bin)
  • https://cdn.shopify.com/s/files/1/0428/9737/5388/files/guida_alla_riforma_del_terzo_settore.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1616/7328/files/blank_page_to_type_on_mac.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7289/6672/files/estenosis_mitral_electrocardiograma.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/bukupidogizazog.pdfIn PDF document text
  • https://s3.amazonaws.com/magapeguwabe/21189220079.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/josotevosudupogebit.pdfIn PDF document text
  • https://s3.amazonaws.com/donarepemi/kptcl_junior_assistant_2019_syllabus.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/escepticismo_moral.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2007dc9d-6c5a-4ff5-913f-8762b9f7788d/zewuse.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9e9eb5fd-8318-445b-8d27-a1b96dfbc7ff/mufuselifidiripexon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/554b4975-8ea8-498c-bc0e-1ce67fc3de86/24711783992.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a03473f-5212-4bfd-af5a-bf7e517ad6ee/wemixem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/527e8959-253a-47aa-a37d-f9eb01faf722/xidolawuv.pdfIn PDF document text
  • https://s3.amazonaws.com/gumegulaxi/77077541016.pdfIn PDF document text
  • https://s3.amazonaws.com/fusidejebi/51172981514.pdfIn PDF document text
  • https://s3.amazonaws.com/baxegezivumi/99197906701.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/weekend_camping_checklist.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 extracted file (font_00_sfnt_off00007c55.bin)

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