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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/wix?keyword=paypal+money+adder+apk In PDF document text

  • http://files.g2gdrivingacademy.com/uploads/1/3/1/6/131606408/3527493.pdfIn PDF document text
  • http://files.acapsf.org/uploads/1/3/1/0/131070762/2297365.pdfIn PDF document text
  • http://jepumipog.willflyguitar.com/uploads/1/3/0/7/130739906/c797e1.pdfIn PDF document text
  • http://xodiri.herohomeinspections.com/uploads/1/3/2/6/132695543/nuwapufaxatebikona.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://421b01d3-1e41-499a-a431-70d4e4a7d0c1.filesusr.com/ugd/23b571_0b1c160e862b43c7b6719b0fd0878b5a.pdf?index=trueIn PDF document text
  • https://8a043eb5-e8a2-4c3a-b608-f1ff2f78410d.filesusr.com/ugd/70e7d4_f8dd0a65a68a4073babdcb8d9b6183f8.pdf?index=trueIn PDF document text
  • https://ee54aae4-274c-48d2-ac6f-e4bc8ae69372.filesusr.com/ugd/9e41f0_d55cc347108847ae8f9d2b26fc59b274.pdf?index=trueIn PDF document text
  • https://1535a5ea-c351-47ee-814d-8a500018e9e1.filesusr.com/ugd/5dc3ca_89702d1c3d434c009d1b9d00868605ed.pdf?index=trueIn PDF document text
  • https://73759d25-b20c-47ea-aee8-39fa7f57024d.filesusr.com/ugd/18122d_43bb5fb3303841488f018aa6dd9abe8d.pdf?index=trueIn PDF document text
  • https://e317e45f-8b09-483e-a632-e6ea987c2561.filesusr.com/ugd/2074c9_ecca39519be44dd8a76e1096f8d096f7.pdf?index=trueIn PDF document text
  • https://587b2eea-de58-40ab-97a6-46b608c183e6.filesusr.com/ugd/21b4a7_1b3972d4b83d4ddc92d5899d57f8d24f.pdf?index=trueIn PDF document text
  • https://a1386ae6-676b-4b54-8615-4801022d2912.filesusr.com/ugd/031dda_3013bee757d54b68be1e558072405a8c.pdf?index=trueIn PDF document text
  • https://af1ce473-5717-45e8-ad9b-ece54a3d2e46.filesusr.com/ugd/62e2c1_d44024cf7bcc46289729d0515aada36f.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0025/1036/files/6073988675.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9826/6016/files/equipotential_lab_report_conclusion.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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