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/aws?keyword=ap+biology+biochemistry+practice+test+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4381536/normal_5f942567b0700.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374682/normal_5f8d9a11f01dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367952/normal_5f90770ae7bfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418368/normal_5f96301dc7a4f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369324/normal_5f8e68c3ca8fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368244/normal_5f895f13467af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388421/normal_5f9206a8ec2de.pdfIn PDF document text
  • https://xidepiluzefet.weebly.com/uploads/1/3/4/4/134465828/bea834.pdfIn PDF document text
  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/2c24a75d55.pdfIn PDF document text
  • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/5665029.pdfIn PDF document text
  • https://pezosoxebigaxox.weebly.com/uploads/1/3/4/3/134337327/2424944.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/67c697453af0.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/1/0497/8622/4801/files/skids_and_mudflap_toys.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4709/8803/files/free_volume_of_rectangular_prism_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6587/1013/files/dofajaxirevofuza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/5007/2214/files/winnebago_county_jail_jobs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3167/3024/files/pisezukiw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1682/9603/files/michaels_christmas_trees_canada.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0508/3424/3749/files/salomon_skin_pro_15_instructions.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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