Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://dafemum.ru/strik?utm_term=las+escuelas+que+siguen+a+los+chicos+comprension In PDF document text

  • https://sotezogurew.weebly.com/uploads/1/3/2/7/132740991/37b7d5a1badc05.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393639/normal_5fdde7342090e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4473963/normal_5fc5acdd1f6da.pdfIn PDF document text
  • https://cdn.sqhk.co/xaripisi/jijfgec/sawis.pdfIn PDF document text
  • https://cdn.sqhk.co/navotezive/Qyvgghj/continuous_diafiltration_equations.pdfIn PDF document text
  • https://ximusufupes.weebly.com/uploads/1/3/4/4/134486044/mapezolanavekeso.pdfIn PDF document text
  • https://cdn.sqhk.co/sunomedude/hUyjhjg/multi_colored_snake_dream_meaning.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496193/normal_5fd8eff4ca121.pdfIn PDF document text
  • https://cdn.sqhk.co/kagurase/2cpgcdD/penguin_running_towards_mountains.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387052/normal_60100dd9b9685.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://c81c1a69-aec6-471c-ac34-7a6800eafc69.filesusr.com/ugd/9ef1ea_aaaa0e60d2f748f7bf1a584ffb44e1ee.pdf?index=trueIn PDF document text
  • https://a7da3e60-63c8-46c1-a846-eab7df628ed2.filesusr.com/ugd/bba345_e3c8579f77d94f058c5269a1431e5443.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/328126ef-0054-48c8-8280-5db48d885a6e/zegubiribomi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4fb882b8-e644-4ef1-b624-01cbc496753b/maytag_quiet_series_100_specs.pdfIn PDF document text
  • https://5090c2af-253d-40c3-bfb7-942fc6db26b0.filesusr.com/ugd/0511f5_53bb85bdf3fb40c0bd677ea8f096f940.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/23df7331-ae72-4e3e-b973-b870f663fdf2/double_dapple_piebald_dachshund_for_sale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3406af9-d86b-434d-b07e-bdaeacb75198/bosch_washing_machine_service_center_in_meerut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7db7a1e-6127-4838-a34a-ce1b8d485a9e/21030483459.pdfIn PDF document text
  • https://7e6b698e-d56f-4a21-8c48-787e2f6d39f4.filesusr.com/ugd/7836c9_58e2b9c9a1174a0fb32093d35cded909.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/1854c2d3-2707-4c15-bc86-cd1adff512b5/compound_interest_problems_worksheet.pdfIn PDF document text
  • https://6593eeda-10fe-4128-810f-cbbc79f0a4f8.filesusr.com/ugd/c0a4bf_f305e5e1883e40baac64a296f681db08.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/553d1d25-1732-4d5b-85bf-517a28ae0250/19367026038.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d76a3df0-a0c1-4a9a-bdf9-8853432cb3ea/description_of_rainstorm_cloud.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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