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/pify?keyword=glencoe+health+a+guide+to+wellness+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380076/normal_5f8cb64b4b965.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376601/normal_5f8afd660df07.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366048/normal_5f96e56ed4c0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413980/normal_5f948dbf4e0be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f920adbb9354.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409122/normal_5f96c8955aaee.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004af0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004af0.bin)
  • https://cdn.shopify.com/s/files/1/0498/8315/2542/files/modobopisukagebamikib.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8544/0187/files/ginizeruwupavofagupipad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1266/7546/files/nocturnal_enuresis_diary.pdfIn PDF document text
  • https://s3.amazonaws.com/satudifin/arunachal_pradesh_police_recruitment_2018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/5941/8553/files/oameni_si_soareci.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/5007/2224/files/acknowledge_receipt_of_your_email_in_tagalog.pdfIn PDF document text
  • https://s3.amazonaws.com/tapexiw/cambridge_checkpoint_mathematics_coursebook_8_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5232/6823/files/ragufazubelotaw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7894/6468/files/jakefer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1812/4963/files/calendario_escolar_2020_mep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2689/8344/files/word_calendar_2020_january.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9132/0229/files/jonijikopezidolijorid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8471/9274/files/33538567540.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_off00004af0.bin)

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