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=acr+manual+on+contrast+media+pdf In PDF document text

  • http://rodakaz.celebrationmarathon.com/uploads/1/3/0/7/130739284/6d35db0f310f746.pdfIn PDF document text
  • http://bigemunos.outoftheboxtheatre.com/uploads/1/3/1/0/131070450/efed9b.pdfIn PDF document text
  • http://gunom.nerdershewrote.com/uploads/1/3/1/3/131383791/6dfaa16e.pdfIn PDF document text
  • http://files.thewranglinmama.com/uploads/1/3/1/6/131606890/jikulusit.pdfIn PDF document text
  • http://files.sewingclassmiami.com/uploads/1/3/1/3/131398236/koneto.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/1/0428/9835/8432/files/40035930655.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7079/8489/files/google_admin_app.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0898/2165/files/54717131398.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/4946/6526/files/gal_to_liter.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0870/6725/files/the_mental_game_of_poker_2_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6330/7161/files/saint_therese_southgate_ky.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8578/3447/files/wijetekifufidosujobizemid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0458/2866/9603/files/nvidia_cuda_programming_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/7416/4638/files/imperative_form_irregular.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/8397/1237/files/25606664059.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0733/6857/files/58748156059.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7107/6520/files/advantage_and_disadvantage_of_social_media_essay.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2797/0718/files/solubility_curve_practice_worksheet_answers.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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