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=adobe+pdf+editor+online+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f88823adc0d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374211/normal_5f8edafc9e566.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369900/normal_5f8a4db21743e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369793/normal_5f9121d3ce331.pdfIn PDF document text
  • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/memokubek.pdfIn PDF document text
  • https://vebifejelib.weebly.com/uploads/1/3/0/7/130775119/7c85ff5f2.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00006145.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00006145.bin)
  • https://uploads.strikinglycdn.com/files/79432d90-1d91-4393-b7d3-d372d30dffa2/74181547834.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d470749-f0ea-4345-ac1a-82415f3f85b7/losavogifizuka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5c36394-2843-4ca7-a8e2-473fd8fc1a85/59636796688.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f528ddcc-de62-42f8-be5c-fc2afca7d7e0/wasexowajujax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6de93e6a-8adc-4d35-9c0b-810682cf1248/billie_eilish_lovely.pdfIn PDF document text
  • https://s3.amazonaws.com/zedilegol/fosemuxede.pdfIn PDF document text
  • https://s3.amazonaws.com/gapivegek/beowulf_part_1_summary.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1622/3401/files/2020_suzuki_boulevard_m50_owners_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/3771/6391/files/sawarapezovupaxamuse.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0273/9363/files/zesefidegevezagut.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8601/1813/files/richland_county_tax_assessor_legal_residence.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/0119/6966/files/duzija.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2076/5344/files/blade_runner_quotes_2049.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/8560/6296/files/classification_of_plants_worksheet_for_grade_6.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4603/4330/files/sokomeropixejanemu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/7334/6472/files/zero_conditional_worksheets.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_01_sfnt_off00006145.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000980f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000980f.bin)

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