Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://ggtraff.ru/strik?keyword=conversation+questions+for+beginner+esl+students+pdf In PDF document text

  • http://files.tornadof3.info/uploads/1/3/2/7/132710491/vugizewoxarolox_pexitabav.pdfIn PDF document text
  • http://jakin.alphaapparelky.com/uploads/1/3/0/9/130968976/duvetanitomamapu.pdfIn PDF document text
  • http://gojaz.bassittdesigns.com/uploads/1/3/1/4/131437736/a55df3.pdfIn PDF document text
  • http://pofadiva.jwhitneyart.com/uploads/1/3/0/7/130775565/2726583.pdfIn PDF document text
  • https://site-1037098.mozfiles.com/files/1037098/pegafotafewexekezos.pdfIn PDF document text
  • https://site-1036621.mozfiles.com/files/1036621/82225939138.pdfIn PDF document text
  • https://site-1037207.mozfiles.com/files/1037207/18492601992.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000775a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000775a.bin)
  • https://cdn.shopify.com/s/files/1/0431/7364/2389/files/50080795394.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3862/2375/files/channel_orange_mp3_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e54c46f0-9cc4-454e-941e-32f46801fca6/63927424174.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba2f1e46-43fe-45f4-a1f9-9e3f15e36fae/63217613940.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5587/6769/files/favezunelowopubomevu.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_off0000775a.bin)

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