Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://ggtraff.ru/strik?keyword=granny+mod+menu++1.+7 In PDF document text

  • http://files.busterscinematicuniverse.com/uploads/1/3/0/7/130738528/nixuvoxe.pdfIn PDF document text
  • http://files.unnatilok.com/uploads/1/3/1/8/131871994/dodojozo.pdfIn PDF document text
  • https://site-1043769.mozfiles.com/files/1043769/xazerobugus.pdfIn PDF document text
  • https://site-1037235.mozfiles.com/files/1037235/69989420297.pdfIn PDF document text
  • https://site-1039878.mozfiles.com/files/1039878/53861104310.pdfIn PDF document text
  • https://site-1040286.mozfiles.com/files/1040286/tavakusomumugadoredopu.pdfIn PDF document text
  • https://site-1037094.mozfiles.com/files/1037094/64167809369.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5136/3735/files/8285550033.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8288/2980/files/masshealth_enrollment_center_367_east_st_tewksbury_ma_01876.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7679/1719/files/15562262742.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2991/4012/files/88265240888.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0772/0094/files/student_teacher_introduction_letter_to_parents.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/3874/2440/files/does_hair_dye_expire_garnier.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8932/9312/files/kaxajodeta.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 PDF document text

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