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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://mapavafamaluri.weebly.com/uploads/1/3/5/9/135999294/f2537e678.pdf.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://jacksth.ru/123?utm_term=purchase+order+confirmation+template PDF link annotation

  • http://salebobuja.iblogger.org/baby_girl_names_unique_2021.pdfIn PDF document text
  • https://mapavafamaluri.weebly.com/uploads/1/3/5/9/135999294/f2537e678.pdfIn PDF document text
  • https://fojojaroj.weebly.com/uploads/1/3/1/4/131453509/2936f236060.pdfIn PDF document text
  • http://xemizawufogutuf.scienceontheweb.net/90196081240.pdfIn PDF document text
  • https://jevakotimafunu.weebly.com/uploads/1/3/4/8/134878594/juperure.pdfIn PDF document text
  • http://nupesupo.mypressonline.com/64026125302.pdfIn PDF document text
  • https://devarewiwigunum.weebly.com/uploads/1/3/2/7/132710712/jezizo.pdfIn PDF document text
  • https://wamurereleveti.weebly.com/uploads/1/3/5/3/135392703/lufiw.pdfIn PDF document text
  • https://dolojimopa.weebly.com/uploads/1/3/4/8/134887070/xamamefojawopezego.pdfIn PDF document text
  • https://renibopasuviwi.weebly.com/uploads/1/3/4/3/134305424/5226c798.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/87952537-7e68-4b69-9587-d73b1745297d/can_you_get_your_permit_at_14_in_sc.pdfIn PDF document text
  • http://xopemaw.rf.gd/carcinoma_ductal_in_situ.pdfIn PDF document text
  • https://7f3dc8b3-869c-44c5-82eb-14ae88d57796.filesusr.com/ugd/dc4ca1_b0128ee1636e49f790294ce9dc6291e5.pdf?index=trueIn PDF document text
  • https://1058d175-53f8-4d86-9201-ae9c1fc74009.filesusr.com/ugd/62a633_10b4d3457d51438bbf81332c0754f62c.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/083a0f94-2f82-4168-a8d5-7cc02d255441/14382762861.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/faf3310a-34ee-4038-a2db-6583b5731044/kewopes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3062b57a-b645-48a4-a6a2-f2ac9c597b7f/line_6_spider_iv_30_presets_list.pdfIn PDF document text
  • http://puvepedep.epizy.com/59598995812.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4afb87e-ec9e-4ea8-ba01-dd01cea81a86/how_to_set_a_uniden_scanner.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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