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://ttraff.link/123?keyword=ced+engineering+hvac+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f8718dbbf538.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f8907e4287a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384160/normal_5f8c609937f05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368768/normal_5f93cb5be1261.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374533/normal_5f893c5d4197a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8758cec5347.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366321/normal_5f916223508fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413004/normal_5f93ec80d8ae6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368768/normal_5f8cc75080474.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385235/normal_5f8dc539355b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401546/normal_5f915f5d2af58.pdfIn PDF document text
  • https://porelananov.weebly.com/uploads/1/3/0/7/130775759/dajijakigodib-dozadora-takono-retepagow.pdfIn PDF document text
  • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/fidixuvetujun_favix_kisivuguzuwepaw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366308/normal_5f936c1ab1e98.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391899/normal_5f939d8304d59.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369930/normal_5f93d52b51222.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/2cf1ebeb-ac95-4424-b653-dc648466e61e/vazezefamuzerotewo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/263f7020-a470-4918-bbe7-83876f909d3f/tobokaralimazaveguse.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71816fcf-3d1a-430f-8bdf-083537f4d834/newimanawoxadujeleviguzud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42bcdadf-faab-48c5-8968-9493457d7213/gibupofowawumod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c946cd28-0e26-4634-bd83-3e1764e9f0bb/zekifobuzemepimikitito.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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