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://ttraff.link/pify?keyword=convection+heat+transfer+lecture+notes+pdf In PDF document text

  • https://xosetumigex.weebly.com/uploads/1/3/4/3/134371377/1ec9c5e34624f52.pdfIn PDF document text
  • https://mawoluji.weebly.com/uploads/1/3/4/2/134265904/a5588a92f145.pdfIn PDF document text
  • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/8107840.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006abe.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006abe.bin)
  • https://cdn.shopify.com/s/files/1/0437/9944/5664/files/ruger_sr9c_weight.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7776/9662/files/psicoterapia_psicodinamica_gabbard.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5008/1690/files/8627463837.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9548/9189/files/63959432511.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4692/7008/files/fixitarumipenufu.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/6._2_biomes.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/babylonian_history_of_mathematics.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/gleichungssysteme_additionsverfahren_aufgaben.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/accelerated_mobile_pages_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/tepuxijunipadesororepijel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79502ef3-9cff-411a-ae16-46b5d8cb971a/lakosijukanobofonemafew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc925c94-a6c1-495e-8a25-3e1a27da7c88/67219337567.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6bb1db7-5add-4f92-8425-7c70911e453f/96553120184.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ca921bcc-63ac-4f0c-b183-d125b92d4ea3/wozag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2db49f0-fdf7-4cec-bc64-d126cbc62b78/dagowovenimi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3366/4919/files/10297809210.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/8947/5237/files/huawei_file_manager_apk_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6229/6220/files/47112041310.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/8717/9160/files/stihl_170_parts_manual.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_off00006abe.bin)

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