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.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://bologen.ru/award?keyword=handbook+of+probiotics+and+prebiotics+pdf PDF link annotation

  • https://texatejoluneb.weebly.com/uploads/1/3/5/3/135318687/keborumobipibikefe.pdfIn PDF document text
  • https://dodilepu.weebly.com/uploads/1/3/4/4/134444379/jatup.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4381752/normal_6005f66e556e4.pdfIn PDF document text
  • https://cdn.sqhk.co/jurugaguvedu/xieCjeX/37974644629.pdfIn PDF document text
  • https://sajefabavasa.weebly.com/uploads/1/3/2/7/132710755/ziloruzapiwonupe.pdfIn PDF document text
  • http://psychologyrelax.xyz/50142782955fs4b9.pdfIn PDF document text
  • https://lavefikamov.weebly.com/uploads/1/3/0/8/130813740/xugujigebarokevejo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392218/normal_603e8c96db12b.pdfIn PDF document text
  • https://cdn.sqhk.co/divojimo/jc1Rgh4/switzerland_currency_pegged_to_euro.pdfIn PDF document text
  • http://insuranceautousa.com/bonagerigosupananogiar72o.pdfIn PDF document text
  • https://cdn.sqhk.co/sebidurubuze/gg2heLN/narufubarezidovofipi.pdfIn PDF document text
  • https://mulomaninivoxom.weebly.com/uploads/1/3/1/4/131437045/8964089.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447906/normal_603b4a07b0718.pdfIn PDF document text
  • http://adv-workshop.site/nodegojofenakalarujegefaz7ks22.pdfIn PDF document text
  • https://cdn.sqhk.co/zuvutose/jaggjgj/candidates_platforms_canada_2019.pdfIn PDF document text
  • http://clientbluebadge.com/6026195779119p8i.pdfIn PDF document text
  • https://cdn.sqhk.co/tiviluluje/hbhcghe/microsoft_authenticator_app_qr_code_error.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447271/normal_60100019affbd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4489259/normal_5fed1c7986969.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://700ceb37-22d2-47c5-9888-d858af679aee.filesusr.com/ugd/c345b0_5b0b3b915d3944d4b24d122bf534faa9.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lixisariwulo/how_to_add_fractions_with_whole_numbers_and_mixed_numbers.pdfIn PDF document text
  • https://12f7643e-9106-4823-89c2-0bdaecd1bc22.filesusr.com/ugd/1f6d71_ac48ca28b6e547d2bef75a0c2e177742.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xefezesebusu/diy_bookkeeping_software_free.pdfIn PDF document text
  • https://828c6a01-da61-4814-986a-f72e64f4f334.filesusr.com/ugd/cdfdba_fb1a94d0d8e14426be3aa9653c38d39d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/siwixomudit/74634480485.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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