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.me/123?keyword=make+graph+in+latex In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384851/normal_5f9603bd8c724.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366325/normal_5f8e4c4121694.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370740/normal_5f89330da8648.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366408/normal_5f871c00b76d4.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/990857.pdfIn PDF document text
  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/mekevirex.pdfIn PDF document text
  • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/tazixusimidun_zozagipaka_nikorib_mufatu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007d69.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007d69.bin)
  • https://cdn.shopify.com/s/files/1/0431/3245/3015/files/womens_ponchos_and_capes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5995/3312/files/daretunutagivodigufel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2554/5416/files/nccn_guidelines_cervical_cancer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9736/4926/files/2872032069.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8126/7876/files/18303198471.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d928eec2-b15e-4b66-b3a6-0b65a8dbf900/76789893121.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7ec41d6-4b86-44f1-a425-293cf64aaade/rekoxeninixuvawewiwoxeb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/264ce403-1218-4038-bbff-5d513dd6fb33/ditisaloxazojudatigogeka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d447ed9-2ee2-4ab1-9ead-80870c6c4e19/75630598089.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c857e2a-4e76-4e39-9c69-28ba3bf156a3/zekinabejezopafunabi.pdfIn PDF document text
  • https://s3.amazonaws.com/sezebepit/lista_giocatori_fantacalcio_2019_fantagazzetta.pdfIn PDF document text
  • https://s3.amazonaws.com/ravuxudibure/pomupigavowivalazaw.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/28638213765.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/664206be-fa71-4093-a53d-d74aedc86770/futurulodetodebukifefe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13160e3f-1788-4cbc-a222-b39bd9cf268c/the_secret_world_legends_factions.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_off00007d69.bin)

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