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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://soxebez.ru/wix?keyword=brookline+school+calendar+2020 PDF link annotation

  • https://fetevosave.weebly.com/uploads/1/3/1/4/131438058/1274599.pdfIn PDF document text
  • http://solusaxisabo.scienceontheweb.net/14537429962.pdfIn PDF document text
  • https://ruwiderok.weebly.com/uploads/1/3/4/8/134891429/7015587b5260ecd.pdfIn PDF document text
  • http://timelessdecorum.com/12723851417bmoey.pdfIn PDF document text
  • http://pagavopalubutu.scienceontheweb.net/gakisilesazofeguwanovav.pdfIn PDF document text
  • http://faripofijukevom.mywebcommunity.org/how_to_use_devacurl_light_defining_gel.pdfIn PDF document text
  • https://sanepawoja.weebly.com/uploads/1/3/4/5/134579143/sokidewoguj_visite_xorere_jonowa.pdfIn PDF document text
  • http://kesuvajeb.scienceontheweb.net/deteminovekabez.pdfIn PDF document text
  • http://whalesqpa.fun/nonatobudejukosixr0g5n.pdfIn PDF document text
  • https://wezinifagewugi.weebly.com/uploads/1/3/2/8/132815004/5463501.pdfIn PDF document text
  • https://45e41439-46a4-4c97-84f0-In macro / runtime command snippet
  • 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
  • http://jokubamobivavum.onlinewebshop.net/49864147763.pdfIn PDF document text
  • https://cccd2283-d272-450a-840b-6541230ebad2.filesusr.com/ugd/5de1df_e16ae6cf07da4bb5a3caf0b86cc356e0.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/jesidofefe/99220525584.pdfIn PDF document text
  • http://kikukuvikato.myartsonline.com/best_to_word_converter_online_i_love.pdfIn PDF document text
  • https://7f993087-45f6-41f4-96e5-9dcaca18fb91.filesusr.com/ugd/9a92dd_92ec9fbd12a24e2e9063e383dfee5713.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xafaxotaful/amigo_brothers_commonlit.pdfIn PDF document text
  • https://s3.amazonaws.com/donukadizolin/bahubali_cinema_please.pdfIn PDF document text
  • http://faxiruvud.myartsonline.com/xokovixu.pdfIn PDF document text
  • https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_dd85ea2a3144407090e9a3a33e36ad7c.pdf?index=trueIn PDF document text
  • https://3d5b2cfc-74f5-4c02-8466-0d369b02955c.filesusr.com/ugd/69b86f_31dcc1cd8f1f409ebbd46280ce460fad.pdf?index=trueIn PDF document text
  • https://45ed8376-e832-497f-ab20-0a31924dc5db.filesusr.com/ugd/4b7290_6aa1fad4de6e4984b125cd5c126dd706.pdf?index=trueIn PDF document text
  • http://xipanizi.myartsonline.com/silasazizuwaboxa.pdfIn PDF document text
  • https://s3.amazonaws.com/gagagakigibapo/vajofilesimutajidozolepar.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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