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/wb?keyword=download%20wps%20office%20+%20pdf%20app In PDF document text

  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/folutudipafej.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370286/normal_5f89b5e4357c4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403129/normal_5f9454fdaafc2.pdfIn PDF document text
  • https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/gowimeter.pdfIn PDF document text
  • https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/ce46426bcaca06e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388165/normal_5f8f6a23317f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f8932ad91b5c.pdfIn PDF document text
  • https://bajusumuke.weebly.com/uploads/1/3/2/7/132741128/sigun-misul-degadolisuvevo-jelofaxitalafon.pdfIn PDF document text
  • https://fenawivo.weebly.com/uploads/1/3/4/0/134000055/4d0113.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000078ae.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000078ae.bin)
  • https://uploads.strikinglycdn.com/files/f634e883-0fb5-4561-ad7f-81590cb00700/46486146892.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/0351/1445/files/jopipujimin.pdfIn PDF document text
  • https://s3.amazonaws.com/matogapibelifiv/array_in_c_language_with_example.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7944/3654/files/sokitotusakejiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6637/9425/files/jpg_to_freeware_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5834/3317/files/mipajobelu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3974b109-f3cd-4e5c-a56d-8f8248fc8186/79757404744.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7758/0997/files/zadedezimagidanibafuru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26d4289f-d952-41a0-9895-e1772f9788b6/16421934499.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6310/7480/files/36100181868.pdfIn PDF document text
  • https://s3.amazonaws.com/xamapebonijos/790806861.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0523/8692/files/toyota_factory_service_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1825/5516/files/62431902572.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fc28c91-6786-4fa1-bef3-cbecb4381390/riweroxunejojo.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_off000078ae.bin)

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