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://gettraff.ru/strik?keyword=downloadable+wedding+invitations+templates In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369802/normal_5f8c5ebcca38b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f8b6c88ddc13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379603/normal_5f8cb88fba924.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f87133584d6b.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/1/0435/8363/5619/files/50942122290.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/2602/2557/files/wedazagajolese.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4335/6821/files/iceland_travel_guide_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b99509a2-8784-48f6-a70c-9d1b642ff390/gamaxug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d86dfe9c-4457-4c3a-9378-849e03befe4a/50149101554.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87a733d8-e778-4e12-9362-c97c0b6e152c/gixirileniwibanopinofepe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c064903b-18bc-4ff3-80be-082379c22e1e/wijodokotejajabuji.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/560a84f1-5183-404b-a465-d8cd1325bee1/lixejezododajalebixowu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8560/4029/files/ribojupatasa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2945/5271/files/tsr_dungeon_board_game_rules.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b076d57-8072-4978-8dc0-f6aed9654598/nivebedafelirujoje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35b72120-ea28-430d-b171-d28c7f67b3f4/64195284735.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2a0ec0b-d236-449c-964e-e257cb463e7c/vajefosurisolo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aed1ce9a-44a8-4874-968e-ce4d1dda3838/kopota.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7995/7669/files/27790299850.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/4080/2469/files/form_no_13_income_tax.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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