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=gestion+de+tr%25C3%25A9sorerie+exercices+corr In PDF document text

  • https://tuxitusonodedin.weebly.com/uploads/1/3/0/8/130873989/1187da4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f30.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f30.bin)
  • https://cdn.shopify.com/s/files/1/0484/6898/3969/files/16476363682.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2991/2488/files/sodoxakexefuli.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/3730/7292/files/revolution_topical_for_dogs_instructions.pdfIn PDF document text
  • https://s3.amazonaws.com/figugipopar/job_contract_template.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/cancer_de_pulmon_oncologia.pdfIn PDF document text
  • https://s3.amazonaws.com/vabedafozo/festo_make_pneumatic_cylinder_catalogue.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/pepuva.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwawibu/23835043174.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3ab775f-562f-416f-9101-f424e75f66a9/24501617034.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0eac0dd9-20a9-41cb-b543-4a3dd2f8671d/52765786971.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08528eb5-e5a2-4ad7-b744-0172b19054e7/64469979994.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20c221f7-d216-438c-8778-0a1ab147a885/caoutchouc_formule_chimique.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33777427-00c4-4034-b395-a63d3e02173b/pojupuduxabenelozal.pdfIn PDF document text
  • https://s3.amazonaws.com/jusuberu/19155542606.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/2525748059.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/teaching_addition_of_fractions.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/55319707386.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/pugiveputowomotiwikej.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7395/4492/files/8th_grade_math_mixed_review_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6453/1376/files/define_pressure_head.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_off00006f30.bin)

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