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://traffking.ru/aws?keyword=lg+direct+drive+washing+machine+app In PDF document text

  • https://jezaxegare.weebly.com/uploads/1/3/1/3/131380636/xesaz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367278/normal_5f8bacd26e44d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375690/normal_5f8a8e2ec8bed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371790/normal_5f91b0455a696.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375355/normal_5f8e807f1c90c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365649/normal_5fa1bc23899e4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415045/normal_5f99060d494e5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389809/normal_5f9a89b03bead.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372354/normal_5f95b9ae8a11b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426823/normal_5f9db5861ec2b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/xisefowu/english_alphabet_worksheet_for_nursery.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ba81799-f72d-4b2d-92c5-70009cf92c7d/fire_tv_settings_apk_sideload.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fa3ef31-ddf6-482e-8906-15001781a317/salama.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f68975f1-ec32-47eb-adb4-78c79e7227e9/fudopotarugiruxud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18c00d52-42f7-4063-802b-e50a1a3d37c2/tagijixuxuxez.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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