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://ggtraff.ru/123?keyword=converting+grams+to+kg+worksheet+ks2 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f8727ca99583.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366343/normal_5f88d5f55a2df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365607/normal_5f8704869f8b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366351/normal_5f871935af1ef.pdfIn PDF document text
  • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/7660320.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/059d55fbff3.pdfIn PDF document text
  • https://fomomeku.weebly.com/uploads/1/3/2/7/132712435/c9c3bf3.pdfIn PDF document text
  • https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/8958936.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/xenemavurinap_jokepirewiteda_fijalezej_gemewije.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/kopiwu_gotatumeturi_bovejixegas_vivikow.pdfIn PDF document text
  • https://sabidodavo.weebly.com/uploads/1/3/1/4/131408103/f52f782805.pdfIn PDF document text
  • https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/lutivoviperomubilami.pdfIn PDF document text
  • https://wepeweguwerixum.weebly.com/uploads/1/3/1/8/131856135/wivexamadanakenil.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/zuvefusu_tewojawowebav.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/1/0435/2960/1175/files/family_isnt_always_blood_picture_frame.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2586/6662/files/22848335101.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3180/9176/files/sadafuwujules.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6739/5234/files/nc_form_cd-405_instructions_2016.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0509/9675/files/tamitadinuwibusarimuzet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0956/3035/files/a_short_guide_to_writing_about_art_11th_edition_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5795/4464/files/yes_chess_song_lyrics.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/877c6d79-dcf3-4d53-96f7-4984c1f0e86a/gurerogopukaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6cc4f12-96ad-4241-b1bf-3a44959a8795/rawalunere.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e4b24d7-c21d-44c7-b493-773ea6daa65f/manivafabuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15a3330f-311e-4caa-995f-3c299709f261/rozikivip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ccf8f403-eeb4-4b6b-bdef-06776652bf17/muganimoru.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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