Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://traffset.ru/aws?keyword=potty+racers+2+unblocked+peasants PDF link annotation

  • https://dadixuva.weebly.com/uploads/1/3/4/0/134018012/2927309.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366347/normal_5f94297324ca9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367627/normal_5f8b086721a64.pdfIn PDF document text
  • https://mawebugejememed.weebly.com/uploads/1/3/4/5/134599942/1845e7540.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410207/normal_5fa6b220e216f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392472/normal_5f9292df39440.pdfIn PDF document text
  • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/2771932.pdfIn PDF document text
  • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/ceab0.pdfIn PDF document text
  • https://bepopasexib.weebly.com/uploads/1/3/4/3/134356469/pebom.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000436d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000436d.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00007926.bin)
  • https://uploads.strikinglycdn.com/files/f641aeb1-fea4-4105-9977-4cda4c89a16d/biloromisarojagid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d05a1d36-6330-4807-9f0f-048b02dd5f81/mufozilovurebexiligote.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f976a12c-e243-4256-bfe6-2ef183d56fe1/rirezixulawigerepez.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_off0000436d.bin)

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