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/aws?keyword=reported+speech+exercises+pdf+advanced In PDF document text

  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/d1ee3c84.pdfIn PDF document text
  • https://gudojovevisepu.weebly.com/uploads/1/3/4/3/134314990/4056092.pdfIn PDF document text
  • https://mesifadenox.weebly.com/uploads/1/3/4/1/134108947/gawuja.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000050e5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000050e5.bin)
  • https://uploads.strikinglycdn.com/files/25fe3ae0-0568-418c-b174-7d491de91e77/68327880144.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee528e8e-093a-49a9-b076-ad6a2a08a7eb/elite_dangerous_occupied_escape_pod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cff4207-7aed-473d-a8b4-6dc3c1b2a9e8/sojuzaxuvudadimid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf70e445-91ce-4770-aea0-4e87446ea5f7/rijafep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/8184/4886/files/colchester_middle_school.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2912/2200/files/esl_worksheets_for_adults_beginner.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/3991/5671/files/39440998621.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0031/4039/files/ieee_802.11_ac_physical_layer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/9774/9154/files/logaxigumunabusadof.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5289/8739/files/international_journal_of_breast_cancer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9365b050-54a6-41d2-b10f-73175f45e898/9587124638.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9fcd2254-ea86-48b2-9cd1-ce35cb0a375d/nakewurikolerivif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0890/0250/files/terraria_1.2_4.1_download_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8725f50b-76d6-4db4-aa61-83e3fe1f8d12/32837768417.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/265f00d4-bc8f-457f-bc11-858fe6b6161e/92965921353.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c254bec-dd0d-4ff6-907a-d938555ec721/dijagona.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/1111/8507/files/padad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cfc6079-a88b-4907-a265-9ff49c3486c4/22401009862.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b1a00b0-8516-4f69-bd8e-c7af729764e3/atheist_books_amazon.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_off000050e5.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000086ce.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000086ce.bin)

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