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/strik?keyword=table+tennis+touch+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367914/normal_5f8c174341dac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408352/normal_5f9796b3f36b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389570/normal_5f923f1840298.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366015/normal_5f8fcbb61f25e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383460/normal_5f90901e01b45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377935/normal_5f8cf17d63b13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371005/normal_5f9272cc2f224.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000623c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000623c.bin)
  • https://uploads.strikinglycdn.com/files/97af1049-046c-4953-846d-b9404f0b313b/the_last_airbender_movie_download_in.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a74d47d7-0661-4645-8404-3ada8ee6c425/tedikeronitev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7112/7208/files/dezekilo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6068/1109/files/pabisoxuvi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2064/6048/files/benzene_and_bromine_water_chemguide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/196d07cc-4c19-4c7a-b13f-fa4127598dbc/74213345443.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e19fc318-b1f1-4b4e-83fc-53ae6baea806/53652426436.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06a8d1f3-ac40-4934-8da5-09fdfa66bbdf/57248334240.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ad222b3-6db0-40a4-bda9-cd32c772a723/gakevuwe.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/lolidupetidonogixokiki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d88566fd-2f6e-4abc-8164-5ca38bb4cdda/md_new_hire.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8047/3504/files/45579376222.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4e86d39-cb47-491b-9f36-ba82ed09378a/amd_athlon_ii_x2_245.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71744457-30f2-4853-b316-fd17fb42e669/7039880670.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_off0000623c.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a14d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a14d.bin)

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