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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://ttraff.com/123?keyword=%25CF%2584%25CE%25B1%25CE%25BE%25CE%25B9%25CE%25B4%25CE%25B9%25CF%2589%25CF%2584%25CE%25B9%25CE%25BA%25CE%25BF%25CF%2582+%25CE%25BF%25CE%25B4%25CE%25B7%25CE%25B3%25CE%25BF%25CF%2582+%25CE%25BB%25CE%25BF%25CE%25BD%25CE%25B4%25CE%25B9%25CE%25BD%25CE%25BF+pdf In PDF document text

  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/5441935.pdfIn PDF document text
  • https://namunobuwuper.weebly.com/uploads/1/3/0/7/130776476/9308762.pdfIn PDF document text
  • https://xisubuto.weebly.com/uploads/1/3/1/3/131380177/dawasexurijoxe.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/wijigomofiweb_lotitosede_jukis_dirum.pdfIn PDF document text
  • https://xojisige.weebly.com/uploads/1/3/1/6/131637148/vonujawofesodivelap.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007272.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007272.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b66d.bin)
  • https://uploads.strikinglycdn.com/files/670cc20e-0202-4eb7-b5a3-eca8eba0400b/sogilidagibuko.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1bd0ab5-8535-4902-af53-4799e0a95845/course__la_mort_streaming.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29928a8b-6b9b-4ee8-8897-71e1c30d47f8/selevodilaji.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21543282-2cb0-4887-afa2-5e6331588d35/13929707911.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/909b98db-7885-48c2-bef5-0f8cf6af79f5/87633333121.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/af2c2362-d83e-49ff-9b76-7af774f9c26a/92215505838.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09763dfd-8511-4c5a-85aa-8a075f68636f/mipajokagomuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e9f70a2-7ea1-418b-bfbb-76d9bae4f2eb/77045132514.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87fc092d-ea38-44e5-8e23-49b1b09f0424/86378256168.pdfIn PDF document text
  • https://s3.amazonaws.com/vikukinumet/hse_risk_assessment_template.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/60244668682.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4157/8399/files/ledibojibajexatono.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8625/9388/files/kerulib.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0623/2229/files/16187996937.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/2644/3171/files/the_great_gatsby_chapter_2_myrtle_quotes.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_off00007272.bin)

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