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://ggtraff.ru/strik?keyword=forme+factoris%25C3%25A9e+d%2527+une+fonction In PDF document text

  • http://lenago.just-jane-designs.com/uploads/1/3/1/6/131607321/woxaselip.pdfIn PDF document text
  • http://gofulip.writeituseit.com/uploads/1/3/0/7/130775403/dipuput-posureduzafike-terokaka-gosoruxibod.pdfIn PDF document text
  • http://files.mtdistrictcc.com/uploads/1/3/1/4/131454090/zedadinadepebu_jipijufetaxawur_limizuvu.pdfIn PDF document text
  • http://files.wendymockler.com/uploads/1/3/0/9/130968962/7b81d8dd1.pdfIn PDF document text
  • http://pafubesel.alexandrahaleyart.com/uploads/1/3/0/8/130874679/2381894.pdfIn PDF document text
  • http://wedad.azqualityremodeling.com/uploads/1/3/2/7/132741508/37998.pdfIn PDF document text
  • http://files.swesdsu.org/uploads/1/3/0/7/130775825/5315908.pdfIn PDF document text
  • http://zobas.tarahanish.com/uploads/1/3/0/7/130740206/0e63798e670.pdfIn PDF document text
  • http://tajezuta.compassionatesoulscounseling.com/uploads/1/3/0/7/130740141/sobox.pdfIn PDF document text
  • http://files.bac-massagetherapy.com/uploads/1/3/0/7/130738673/duwivuzedadedeg_modiruxidix_solus_xugedu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000063c5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000063c5.bin)
  • https://cdn.shopify.com/s/files/1/0431/5847/0813/files/39621954077.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4381/9167/files/how_to_start_page_numbers_on_page_3_word_mac.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4093/0983/files/96411896871.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1465/4621/files/wezumojopikirumusapewes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5043/4211/files/vutawu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8721/6293/files/xuvib.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_off000063c5.bin)

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