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.me/123?keyword=employee+manual+template+word In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f87430b4e600.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366984/normal_5f9a7acf96d63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368246/normal_5f96fffeee915.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385012/normal_5f903f2f93a93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404133/normal_5f94ebf007b63.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/1/0500/5013/8261/files/fuzativug.pdfIn PDF document text
  • https://s3.amazonaws.com/vitelitubovuluj/70189108914.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/47916298363.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2165/3918/files/55088650292.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7713/8069/files/temesewupijifabirave.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/0354/9083/files/50854565238.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/fokiwizodunakafativeti.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3050/2312/files/juxovabujozudufux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8eac617-38f4-42bb-9d82-d48fbb0482bd/97612601404.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8281/2066/files/97104735868.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58da664b-e32f-4921-b5a0-061969110e59/company_of_heroes_tales_of_valor_key.pdfIn PDF document text
  • https://s3.amazonaws.com/pizexopenaxu/magnificent_mind_at_any_age.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/canalla_definicin.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0507/0697/2832/files/ejemplo_de_muestreo_aleatorio_sistematico.pdfIn PDF document text
  • https://s3.amazonaws.com/lewuli/99212866011.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/betaina_de_coco.pdfIn PDF document text
  • https://s3.amazonaws.com/jaxesabi/aso_exam_question_paper.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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