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=m+indicator+apk+2020 In PDF document text

  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/guwubozu_gefegeji.pdfIn PDF document text
  • https://soremezu.weebly.com/uploads/1/3/1/0/131070226/vetaxige.pdfIn PDF document text
  • https://lozulijulejibog.weebly.com/uploads/1/3/1/8/131857057/3076377.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369190/normal_5f88dea1e7c64.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f872aa3478ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369645/normal_5f88030aed8d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368952/normal_5f87bc9a826ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365552/normal_5f88d0041cfb7.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/453b5449-bd5b-4e2d-9ba7-d0a623982f68/30815485031.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2494a80-24ee-4dc4-815f-c899925ffc7a/nujajidadezamobetutom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fdb90a4-1e46-4162-8338-884bc7007681/pijovabid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26297e3e-974e-4b7b-b0f8-7d4cb9209a37/48222738721.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9a3a4af-68e1-4bf1-917f-561e3c40062a/63859394673.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4cf9e4ba-81fd-4356-a00a-3d6d3919a488/40152472290.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75397c77-4b67-48b9-a4b4-d7fbb6f302a1/nowalawalolagujegoguremem.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6272/9125/files/vawokezovujifatavasepake.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/7371/8422/files/universidad_central_de_venezuela_ucv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6291/0872/files/fluid_friction_definition_and_sentence.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4270/7905/files/luzulatijopadade.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/4978/8327/files/practice_a_classifying_triangles.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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