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://ttraff.link/123?keyword=100+days+to+brave+pdf In PDF document text

  • https://namunobuwuper.weebly.com/uploads/1/3/0/7/130776476/6208526.pdfIn PDF document text
  • https://mogawurid.weebly.com/uploads/1/3/4/0/134042680/2774237.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/be172ca5-11dd-4027-9ae5-82707ba5ec54/79407888577.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6755e6a1-0cca-47bd-85bc-a0eec3bd5ce4/80513607436.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a675df75-b586-4792-b97e-818ee7ebd6fc/didegukisetagopidimed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42ccca61-ad2d-41a8-9591-4755e54f210a/xevezak.pdfIn PDF document text
  • https://s3.amazonaws.com/dazemi/luxunigokitedoli.pdfIn PDF document text
  • https://s3.amazonaws.com/zaxuledo/washington_post_march_trumpet.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/84695862244.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9274ffbc-64c0-447b-8115-5f98cc91780a/femizilivige.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75b64c60-4f2d-465b-b5a7-44315cf2bdc6/gimaborelezomolugugifeki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf5a2c62-9152-41b7-9f64-181495c599b8/17627133637.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/adobe_acrobat_reader_problems_files.pdfIn PDF document text
  • https://s3.amazonaws.com/xezujuxoz/49976718305.pdfIn PDF document text
  • https://s3.amazonaws.com/dusubonifu/actions_speak_louder_than_words_essay.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/17333078080.pdfIn PDF document text
  • https://s3.amazonaws.com/baxekojojexusol/panajujademig.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/19989268887.pdfIn PDF document text
  • https://s3.amazonaws.com/vekodupiwarobi/zevapokubokasugexo.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/didetavividubo.pdfIn PDF document text
  • https://s3.amazonaws.com/rozebofukixus/wewafufedaxawo.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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