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/wb?keyword=the%20five%20dysfunctions%20of%20a%20team%20pdf%20free In PDF document text

  • https://s3.amazonaws.com/lekizopiloref/matlab_wavelet_toolbox_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/jasadavebaga/bienestar_animal_cerdos.pdfIn PDF document text
  • https://s3.amazonaws.com/jenisozazewubo/tutorial_java_swing_netbeans.pdfIn PDF document text
  • https://s3.amazonaws.com/davubewu/aprendizajes_clave_geografa_secundaria.pdfIn PDF document text
  • https://s3.amazonaws.com/vuxalirudidel/sensory_integration_and_the_child.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006015.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006015.bin)
  • https://cdn.shopify.com/s/files/1/0491/8103/2614/files/ac_market_latest_apk_app.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/4351/8126/files/4657045249.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4456/1319/files/fokon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2999e396-d134-43d9-a81a-ee3b07e414a4/71480854966.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/872d2c9c-a120-488d-81f0-b0be8689cb0a/28677139199.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec07b3b9-860b-4c99-bc87-18ca7fb370ca/vasexisomaba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da7598ee-c86a-447b-bb12-b44e90bb7664/72026281936.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95b0a052-43da-4aec-98aa-f03004d45e32/89228875673.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/477b22e7-ff1f-4b19-85ff-e5255289b246/396160926.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b83c690f-28e3-46fe-bf09-85df639b01e6/7161582200.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c829234-86b2-45dc-aeaf-a413a2d5e1e0/62570048395.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5915808-07b3-4c0d-b079-eebf177e91d4/handbook_of_technical_writing_11th_edition.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_off00006015.bin)

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