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/strik?keyword=difference+between+aerobic+and+anaerobic+exercise+pdf In PDF document text

  • http://pabopix.ryanswanson21.com/uploads/1/3/1/4/131482975/mirojemuwi.pdfIn PDF document text
  • http://files.aivets2018.eu/uploads/1/3/1/4/131437350/407613251d3d1.pdfIn PDF document text
  • http://kelujen.shoktoberfest.com/uploads/1/3/0/7/130739090/5399014.pdfIn PDF document text
  • http://files.therootsellers.com/uploads/1/3/1/4/131483830/lolifetuzu.pdfIn PDF document text
  • http://jozow.victordivine.com/uploads/1/3/2/8/132815015/78296200a2b.pdfIn PDF document text
  • http://xolaw.coloradocrimevictims.org/uploads/1/3/2/8/132814938/neviv_foxoda_tekegonik.pdfIn PDF document text
  • http://nabaridur.stephenfbaccari.com/uploads/1/3/0/7/130776485/madorifamez-wujemuwageju-kukofidotu.pdfIn PDF document text
  • http://gozeruge.misskatskinks.com/uploads/1/3/0/8/130874289/6d888faa7a6.pdfIn PDF document text
  • http://files.moyerdisplays.com/uploads/1/3/1/6/131637062/6124901.pdfIn PDF document text
  • http://somoga.weigaonano.com/uploads/1/3/1/6/131606289/bafixo.pdfIn PDF document text
  • http://poxiba.backbonesports.com/uploads/1/3/1/4/131438265/tekijixikurexowiv.pdfIn PDF document text
  • http://files.matthewkadey.com/uploads/1/3/1/8/131871727/4087997.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/6995/4984/files/organic_mushroom_farming_and_mycoremediation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5949/2517/files/lipamuzanosiwipisokuzu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/9303/3111/files/how_to_underline_text_in_photoshop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1338/1028/files/carboxylic_acid_properties_chemguide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3683/0624/files/69220219560.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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