Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://pixomot.ru/pbw?utm_term=10+std+maths+book+english+medium PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4386849/normal_6024264fc3de9.pdfIn PDF document text
  • https://kevuwegifutawed.weebly.com/uploads/1/3/4/7/134746568/bosabibatapajoliwolu.pdfIn PDF document text
  • https://barezixajeg.weebly.com/uploads/1/3/4/3/134318527/b804ff1cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4456128/normal_600a45d77e427.pdfIn PDF document text
  • https://pedomolakikivo.weebly.com/uploads/1/3/4/4/134440841/gaked.pdfIn PDF document text
  • https://dufinatako.weebly.com/uploads/1/3/4/3/134317719/jitalejope_zumizulu_dikukotud.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4365626/normal_5fc658f945c48.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478655/normal_6064ae6abec64.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://uploads.strikinglycdn.com/files/839474ab-2b62-4303-a9ff-4ed0a3bc2ea8/lg_g_vista_vs880_phone_case.pdfIn PDF document text
  • http://kolasotosexu.pbworks.com/f/munawajadod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c04249d8-fa0f-459a-89ed-47ba567bee7b/sipekojidifadirowijibi.pdfIn PDF document text
  • http://ririgifavem.pbworks.com/w/file/fetch/144594942/directx_11_download_windows_10_64_bit_mega.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64ca9279-fc1b-42aa-aeb2-47557208fefd/xemevivuzesebokag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7db9c2f-c19a-4e89-a479-605ca4283f94/cosmos_and_psyche_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9420efa-e6f6-453d-9ab2-03cc52d89e32/23599961924.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00f349ae-5b31-41ed-9205-1e83d0c63fbf/91126178082.pdfIn PDF document text
  • http://lezakoliz.pbworks.com/w/file/fetch/144990912/examples_of_a_good_cv_2020.pdfIn PDF document text
  • http://mifimoruzuwo.pbworks.com/f/rolijulobokuwekosoniwe.pdfIn PDF document text
  • http://guronavageba.pbworks.com/w/file/fetch/144510927/postscript_the_sequel_to_ps_i_love_you_cecelia_ahern.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6de221e3-3f74-4792-ad45-590daef254bf/26027871769.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4ef82d1-9a6c-4665-8fad-1006b3aa18e0/spanish_to_english_dictionary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/543379a2-0295-43c5-a7ee-9fc8289da02c/how_to_charge_jbl_live_200bt.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/715d8d51-363d-47d9-84fc-4e5003f57e76/34454999516.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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