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://cctraff.ru/aws?keyword=rough+guide+to+portugal In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367644/normal_5f880a1d0841c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366354/normal_5f9a0a32ba7d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383791/normal_5f8cfd23d7cb0.pdfIn PDF document text
  • https://folarudivol.weebly.com/uploads/1/3/1/8/131871739/kesabipikevixeg.pdfIn PDF document text
  • https://lulitetuxopibol.weebly.com/uploads/1/3/1/1/131164377/pimirifesab-lepibat-katebiz.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000706f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000706f.bin)
  • https://cdn.shopify.com/s/files/1/0266/8229/4456/files/craft_pumpkins_wholesale.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0473/8672/2473/files/rmit_business_information_systems_course_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8307/1650/files/retroarch_sega_saturn_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/3306/5120/files/cargo_carrier_with_ramp_canada.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2729/1048/files/losugasagebukiwaj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8204/5858/files/comsol_multiphysics_reference_guide_5.2.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f173c08-25b7-4389-8247-053d21ea6f41/vomidibunu.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/important_days_and_themes_2019_in_tamil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a12f3a3-3815-4a49-a67a-7aa040f23367/13268776080.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4970/5881/files/6_core_strategies_restraint_reduction.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8795/4073/files/college_prep_algebra_chapter_4_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3671/2861/files/biviravalovefikafasamu.pdfIn PDF document text
  • https://s3.amazonaws.com/megodipewukitoj/business_plan_executive_summary_example.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_off0000706f.bin)

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