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.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://maypoin.ru/strik?utm_term=english+grammar+exercises+for+class+5+icse PDF link annotation

  • https://cdn.sqhk.co/pemoxeriko/iap3vCG/busazelapoxorenivazu.pdfIn PDF document text
  • https://cdn.sqhk.co/bafesugoguwi/fiepgi2/rajenevilobegelov.pdfIn PDF document text
  • https://cdn.sqhk.co/daviwiloma/CifrRjf/makalah_patent_ductus_arteriosus.pdfIn PDF document text
  • http://onenature.space/vezuj6i2v0.pdfIn PDF document text
  • http://cpskras.website/27116905521tuxce.pdfIn PDF document text
  • https://cdn.sqhk.co/xerejijasoma/chaicsI/iot_platform_architecture.pdfIn PDF document text
  • https://dujemezore.weebly.com/uploads/1/3/1/3/131381607/xuxinobejawes.pdfIn PDF document text
  • https://gerunujixode.weebly.com/uploads/1/3/1/6/131606408/76680f.pdfIn PDF document text
  • http://grigolia-studio.ru/7464182631r0nez.pdfIn PDF document text
  • https://wuxinaruniluxod.weebly.com/uploads/1/3/4/8/134882591/8371807.pdfIn PDF document text
  • https://sijupazijeter.weebly.com/uploads/1/3/4/6/134639914/vojodezozim_dusojapapap_xamotulurami_vopemanoninosa.pdfIn PDF document text
  • https://viwutexotopuj.weebly.com/uploads/1/3/4/5/134522905/5f24ea78221cf.pdfIn PDF document text
  • https://cdn.sqhk.co/sapidefapo/e64sibx/tukonikojabaseweg.pdfIn PDF document text
  • https://mikugixu.weebly.com/uploads/1/3/1/4/131438693/siwufofalilok.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://1b2c4efd-c8eb-4b04-b26f-b9154d704720.filesusr.com/ugd/d3758e_d86e747fc57f420986ac8a2ea7851ae1.pdf?index=trueIn PDF document text
  • https://3b0fe5ff-7f86-489c-8138-fc984e51136c.filesusr.com/ugd/bfd78a_52059501877549de9488a2580ef8d5d1.pdf?index=trueIn PDF document text
  • https://9cf5cc10-3c2e-4e30-ae6b-73ed7beed88a.filesusr.com/ugd/5c2b46_6cd9bf03382347aeb22813d29295105d.pdf?index=trueIn PDF document text
  • https://1347de4c-4e54-429a-b84c-372e60bc5a2b.filesusr.com/ugd/6c98bc_025ff7584b7e4757b63143dabdb14ad1.pdf?index=trueIn PDF document text
  • https://a22c3535-4c29-4f26-bf6b-1e631d3648e5.filesusr.com/ugd/28986c_c399871f3fcc4597a1393c0b6dbcea7c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dejazuvorira/how_to_pair_dell_premier_wireless_mouse.pdfIn PDF document text
  • https://s3.amazonaws.com/puretulenuza/muletatam.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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