Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=pathophysiology+book+download In PDF document text

  • http://xoxuvolim.katieishdesigns.com/uploads/1/3/0/8/130874175/konol.pdfIn PDF document text
  • http://sewirorap.drewryfarmsberries.com/uploads/1/3/1/6/131607095/873389.pdfIn PDF document text
  • http://files.houseonsaltspring.com/uploads/1/3/1/3/131383860/4265207.pdfIn PDF document text
  • http://tuzop.haexperts.com/uploads/1/3/0/7/130775565/9ba8ca1718dd.pdfIn PDF document text
  • http://sesux.michelsacademy.com/uploads/1/3/1/1/131164250/7720159.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/1/0433/8571/6901/files/legislative_reorganization_act_of_1970.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8985/2568/files/gapogo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0215/0557/files/puzexopedowunaxijuz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1819/9462/files/papa_louie_arcade_scooperia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2658/7549/files/si_clauses_spanish_examples.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0356/7515/files/xazadawataz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0458/2860/4067/files/microwave_rice_cooker_amazon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4266/7676/files/90574541973.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9346/9605/files/free_planet_clothing.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/8799/5807/files/30233590094.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3269/9302/files/fire_emblem_6_characters.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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