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=sss+ob+history+form+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365552/normal_5f8706e3e1bd8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368238/normal_5f8a69f82375f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366659/normal_5f875a8fd63e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372682/normal_5f8b0dccd4dce.pdfIn PDF document text
  • https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/maxuwuxip.pdfIn PDF document text
  • https://sisaseno.weebly.com/uploads/1/3/0/7/130776680/9181155.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/42346.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/1/0498/4792/6939/files/zone_reclamation_project_reddit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/5261/2765/files/pokijuvig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9191/3632/files/ruvex.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9666/0886/files/obc_caste_certificate_form_rajasthan_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3986/2183/files/1593895802.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/2790/4165/files/60065989208.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6835/8301/files/44778773502.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7509c7e3-00c0-4a91-92ce-fb981161e876/70351088095.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5caf13bc-ee79-4dc3-a86b-5d12fbd738d8/90053440009.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb38eda7-e671-423c-a283-5c3c7ee1c8aa/48936083535.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6567/8755/files/sitting_still_like_a_frog_read_aloud.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6982/3390/files/physics_circular_motion_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/5891/7287/files/knights_of_columbus_regalia_history.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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