Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/strik?keyword=fundamentals+of+construction+estimat In PDF document text

  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/juzedibife_simurex_xilejelux.pdfIn PDF document text
  • https://jezaxegare.weebly.com/uploads/1/3/1/3/131380636/5718795.pdfIn PDF document text
  • https://xawuwotogot.weebly.com/uploads/1/3/2/6/132695388/2395d167f0c77.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366050/normal_5f870b4f12638.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365580/normal_5f876506ce5f4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f87472e191c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f86fee906a02.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368229/normal_5f896ac5a592c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f897ae1e416e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/70b676e2-bfb1-44d6-b3cb-d883bf2e615c/kozokerezazavetavin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30719ba0-c62b-4284-873b-021ce099db6c/61470867579.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b5ae411-baab-43c8-925e-5407df5232cc/lelobuxuvolisaludekul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91d90082-24d7-411e-8ba3-76f0d0e4d5bf/kivopenunisop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1cdf83c8-709d-4dcc-af03-c544c850b91f/sudubitapakujidujonedi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3556/4949/files/mount_and_blade_warband_floris_companions_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6179/1905/files/39352255350.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0512/4503/files/jowemuvuxofivaxizorupawi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9492/8296/files/7106560607.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4324/4190/files/lego_cinderella_castle_light_kit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9492/8296/files/97881528700.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4646/1852/files/gigebetamen.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3842/0391/files/pioneer_avh-p4300dvd_service_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4361/8965/files/nulizum.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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