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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.cc/123?keyword=girlz+ink+store In PDF document text

  • https://gawugabel.weebly.com/uploads/1/3/4/3/134361726/fafeba.pdfIn PDF document text
  • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/savefe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366632/normal_5f8939f927c63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391921/normal_5f9398e002228.pdfIn PDF document text
  • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/7379816.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f874be71ae80.pdfIn PDF document text
  • https://gasogufimuti.weebly.com/uploads/1/3/4/4/134461051/6645599.pdfIn PDF document text
  • https://rijizego.weebly.com/uploads/1/3/0/7/130776487/misubafuxupomuvi.pdfIn PDF document text
  • https://dudikojegak.weebly.com/uploads/1/3/1/4/131406444/809870fb2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372399/normal_5f8f471bd710c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369788/normal_5f8a2e31373fd.pdfIn PDF document text
  • https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/waribif.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380393/normal_5f8b6bd2268d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372373/normal_5f90a5c445f6b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380871/normal_5f925eec62804.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/dozuga/find_the_missing_angle_of_a_triangle_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/zakunafu/9th_grade_math_test.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8776/6711/files/free_printable_alphabet_for_bulletin_boards.pdfIn PDF document text
  • https://s3.amazonaws.com/dudurat/como_fazer_assinatura_digital_cartao_cidadao.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3165/6605/files/sezozewuvik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/3272/2599/files/galaxy_buds_manual_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9831/6705/files/9935998459.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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