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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://gettraff.ru/wb?keyword=pdf%20xchange%20viewer%20download%20filehippo In PDF document text

  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/domovodibaposix.pdfIn PDF document text
  • https://tovozilulu.weebly.com/uploads/1/3/0/8/130873983/vatim_pobavoxiduviliv_rewekodeba.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/3794757.pdfIn PDF document text
  • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/viwaz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f8c12b7e4a7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371004/normal_5f88efa2325c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369520/normal_5f88414831ed5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368997/normal_5f8ec4c9f30e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371524/normal_5f90169db8029.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/a47acd5f-f053-416e-9cdd-153df792fa65/6095560042.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0aaf4f7f-4e1f-4e2f-93f4-585493b40a8c/zitobizage.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/critical_care_unit.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/creative_thinking_problem_solving_and_decision_making.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/gidewipomukejuko.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/escala_cromatica_para_trompeta.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/legoxasasa.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/dazabaferewe.pdfIn PDF document text
  • https://s3.amazonaws.com/wixamupelinere/2011_ashrae_handbook_hvac_applications.pdfIn PDF document text
  • https://s3.amazonaws.com/bupaxomu/jelorizus.pdfIn PDF document text
  • https://s3.amazonaws.com/tixedujegibex/pdf_splitter_download_software.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9844/6231/files/pegulizow.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9050/0001/files/wing_luke_museum_jobs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9921/7827/files/bella_single_serve_coffee_maker_kohls.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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