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/123?keyword=lg+fridge+ltns20220s In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f8b66cf47a94.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369305/normal_5f89894067a54.pdfIn PDF document text
  • https://tanifovekula.weebly.com/uploads/1/3/1/3/131379991/9911025.pdfIn PDF document text
  • https://gozofuma.weebly.com/uploads/1/3/0/8/130874065/rugulunozutemo-jifejo.pdfIn PDF document text
  • https://pafuwaron.weebly.com/uploads/1/3/4/3/134385690/736aa.pdfIn PDF document text
  • https://zewubonorow.weebly.com/uploads/1/3/1/3/131398185/15ba21d21caf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375886/normal_5f8c53a40d1bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374835/normal_5f942c5b82984.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408853/normal_5f94fa864c5a2.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004a92.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004a92.bin)
  • https://s3.amazonaws.com/jamokaroxoj/13379249923.pdfIn PDF document text
  • https://s3.amazonaws.com/tulosa/algas_verdes_azules.pdfIn PDF document text
  • https://s3.amazonaws.com/bewibiwat/adenocarcinoma_de_pulmo.pdfIn PDF document text
  • https://s3.amazonaws.com/luxelula/82050462891.pdfIn PDF document text
  • https://s3.amazonaws.com/pizexopenaxu/mimolirilutubeponuxidel.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/86899370594.pdfIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/38064357167.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8660/1120/files/solving_system_of_equations_by_graphing_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5033/4880/files/gemodudavegovi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/7484/5375/files/check_valve_types_and_applications.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8516/1153/files/warhammer_40k_tau_codex_download_free.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_off00004a92.bin)

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