Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://botokaw.ru/award?keyword=romanesque+church+architecture+pdf PDF link annotation

  • http://vertigoa.online/hp_laserjet_1100__windows_10_x64e9998.pdfIn PDF document text
  • http://lifeshop.pro/mfj_993b_tunerw4k8a.pdfIn PDF document text
  • http://stingeksoj.online/zetesirojopuukqb.pdfIn PDF document text
  • http://songkfrk.site/goal_com_transfer_news_now_todaypcftt.pdfIn PDF document text
  • http://bit7.top/62264710812eccbg.pdfIn PDF document text
  • http://carluxepaint.site/80863233686kewql.pdfIn PDF document text
  • http://bestgirl69.com/achilles_tendon_rupture_patient_information_leafletlv5zi.pdfIn PDF document text
  • http://g2am2e.xyz/ice_cream_cone_holder_targetdr6be.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://edb7bb8d-792a-4213-93ec-7f573d37cc74.filesusr.com/ugd/bfd504_ab636e8486764ce6a8de86cc8926e663.pdf?index=trueIn PDF document text
  • https://3568ea06-17fa-4787-91ae-86b9aa918cbd.filesusr.com/ugd/8ade13_dbf949ca913f4e5389761fdeaeab7549.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/daraniwekamidir/kalobubazuduzugizuxufibu.pdfIn PDF document text
  • https://6843e3eb-5573-46e1-90a0-370cfc2b4a0d.filesusr.com/ugd/89b1bc_74a6c6126b4748d3af8dac3cf56f4757.pdf?index=trueIn PDF document text
  • https://96a9e3af-f0c3-4048-9e6c-0ad8da3c6018.filesusr.com/ugd/15d534_5fb32f6c17d64fdab96135db7e83a80a.pdf?index=trueIn PDF document text
  • https://21319658-e817-4d6a-846f-872ccfe0f0c2.filesusr.com/ugd/982af2_edac4de8ec6546c09d05b62cee79d7c4.pdf?index=trueIn PDF document text
  • https://1c985592-4fe2-425a-b8d2-7dc24782370c.filesusr.com/ugd/a13bc2_12df952ed8494698bce72e29aa499fcb.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/toniseligiwuzux/nizidis.pdfIn PDF document text
  • https://3ecc1590-a62a-4317-9845-4395e9141a58.filesusr.com/ugd/237bf7_072399d5be594392b3571d1e866b51da.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/daniwodug/zasameluxiziweneni.pdfIn PDF document text
  • https://s3.amazonaws.com/vifusupegiza/carsguide_used_car_values.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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