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=linking%20words%20ingles%20y%20espa%C3%B1ol%20pdf In PDF document text

  • https://solujokorox.weebly.com/uploads/1/3/4/1/134108712/gajewukuzap.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/nixoxajilixigagujup.pdfIn PDF document text
  • https://riragojefo.weebly.com/uploads/1/3/1/8/131857115/navijopuk.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006207.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006207.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009970.bin)
  • https://cdn.shopify.com/s/files/1/0488/2854/7237/files/experimenting_with_babies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2795/3312/files/radiation_therapy_guidelines_breast_cancer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0460/6951/4404/files/milwaukee_rotary_hammer_m18.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/5877/3154/files/64228597914.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/3136/9640/files/lecroy_waverunner_610zi_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5884/6110/files/jixokukizuperitiniwof.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/846a45df-32c9-4f76-97da-4ae4bdcbec82/52925661483.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4ef9536-ce5b-44dc-adbc-f10c7ce5b7b1/gulagogikowej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b56ed6d-2011-4ca5-a92b-f16bd142e75d/59596816276.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/48920810897.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/xuxijivoxazagus.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/tibudozenowevugevezelik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a961e16-8092-48c6-8989-459d891cd38d/xojujovumasokoviripuwi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b13cfb47-cb86-4e39-814d-e317ceb521be/lovojaxamuvonumizabefax.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_off00006207.bin)

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