Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://mezovuduw.ru/wix?keyword=community+circle+questions+3rd+grade PDF link annotation

  • http://karnaval.host/dalabupevuvawisibinaifm3b.pdfIn PDF document text
  • http://guitar.su/gekuwupuwivijukibobazevsg6ef.pdfIn PDF document text
  • http://blancop.xyz/zamyatin_we_analysisqe3zd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4482849/normal_5fc9619044320.pdfIn PDF document text
  • http://digitalliteracyinstitute.com/kegiwabobufilixeweb7fl0c.pdfIn PDF document text
  • http://boomua.site/vunasejanezulovuzy12v.pdfIn PDF document text
  • http://lunesygets.xyz/posofanewofogajonaxetizu9h7uo.pdfIn PDF document text
  • http://how2clever.com/how_to_use_salt_in_feng_shui8znso.pdfIn PDF document text
  • http://reabook.online/jurumakajokuxugasekesulob9tumx.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475720/normal_60014742e6901.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4500430/normal_5ffc565d27dc0.pdfIn PDF document text
  • http://milansit.space/how_to_use_honeywell_doorbelljbk8c.pdfIn PDF document text
  • http://azorocheat5.xyz/the_culture_map_chapter_6_summary8glrg.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cc652f91-b1ab-470c-b36f-46d838ef85b2.filesusr.com/ugd/fbccce_ca714e06291244b5ab7db9cbb2553957.pdf?index=trueIn PDF document text
  • https://9534cc33-30dc-483d-bed2-8d5691710d48.filesusr.com/ugd/3835dd_f09ccd535fb740f2969eb1e9ff390990.pdf?index=trueIn PDF document text
  • https://fd7a53fe-11c1-4e60-83ad-ac1bb997268f.filesusr.com/ugd/5cf23b_a11e6bd9abc94089831e392b77764197.pdf?index=trueIn PDF document text
  • https://da54c32a-99c7-4590-8520-800dd2d1cae3.filesusr.com/ugd/7973d2_8e3c139d1ee44ed09af73e5b90d85d3f.pdf?index=trueIn PDF document text
  • https://1b15a19f-c8c2-4d9d-8c2f-e97aa7ecfe2c.filesusr.com/ugd/eb6c48_b2056d58516f4b72911043c5982292f0.pdf?index=trueIn PDF document text
  • https://52ed6390-a5c1-4502-9f93-599cf6d98ad1.filesusr.com/ugd/f7fbc8_49e0b49f20bf4ad5aff36352b306b23d.pdf?index=trueIn PDF document text
  • https://02314edc-d025-420b-9d62-795437f25c47.filesusr.com/ugd/4f0fc1_1819f2734d044cedb55045e528261560.pdf?index=trueIn PDF document text
  • https://6c892e0d-5736-4b4a-96a3-cd490fd1fe3d.filesusr.com/ugd/1407cd_f480cca534da4f1da7be9b78d61a7e05.pdf?index=trueIn PDF document text
  • https://56352102-112a-4456-a677-0775450c4ed3.filesusr.com/ugd/ed4e87_e78206279abb4a2f9f3a164c96575c3b.pdf?index=trueIn PDF document text
  • https://dd3528e8-ded0-4753-843e-0d3cb9f542e7.filesusr.com/ugd/4d6844_77eac7255d0344aea3c5c19e2768ce73.pdf?index=trueIn 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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