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=the+fall+albert+camus+indonesia In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382613/normal_5f8f3fca6fa02.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406216/normal_5f933232d53b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404285/normal_5f9278864c6db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402740/normal_5f94a53cdef3c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008fed.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008fed.bin)
  • https://cdn.shopify.com/s/files/1/0268/8077/0237/files/sisuz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5588/8022/files/39886285148.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4583/8248/files/solitaire_grand_harvest_mod_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8547/9066/files/hyperion_book_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0647/5421/files/wapefubinesasudum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1189/9044/files/33933242208.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0314/9479/files/apc_smart_ups_750_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1907/5238/files/sutovi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9150/0449/files/brainpop_forces_worksheet_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6148/9049/files/30209080852.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6acc3f89-e830-4bc2-aa51-c1c654ff2036/kigatedajexoke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/350a2637-42b4-4648-add6-b11d774c3d1c/wiwadojuredaxesux.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_off00008fed.bin)

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