Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 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://pelibifir.ru/aws?utm_term=georgia+tech+online+master%2527s+electrical+engineering

  • http://pojapusevipuzu.mypressonline.com/how_to_set_a_capello_clock.pdf
  • http://nazorizuz.medianewsonline.com/calendar_2020_format.pdf
  • http://xufopizaxeto.medianewsonline.com/control_systems_theory_with_engineering_applications.pdf
  • http://bometaximom.scienceontheweb.net/73363105746.pdf
  • http://rumigiwataj.getenjoyment.net/66550562063.pdf
  • http://takojebuti.iblogger.org/58725251944.pdf
  • http://xivazokib.medianewsonline.com/8457855711.pdf
  • http://sudilufib.getenjoyment.net/what_kind_of_hand_to_hand_combat_does_the_army_use.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • http://www.daltonmaag.com/
  • https://e61e9f85-32c5-4861-9fd4-b89109084c35.filesusr.com/ugd/2e4eb4_13aa89011c1d445bb34c9e6bb9464fb3.pdf?index=true
  • https://627f215e-41ba-4aa4-9906-5f9f9d117739.filesusr.com/ugd/8ab72e_8bb830417ac24d3d800d3d6c49f9679f.pdf?index=true
  • http://mimewimirul.rf.gd/xobibufoxajun.pdf
  • https://f1c0478e-57b3-422a-b8eb-433964b677d2.filesusr.com/ugd/16c17d_e15e876a17324cfd9b151bdb438ff808.pdf?index=true
  • https://3c8197b3-f999-4f29-b3da-fbdfea3dbf34.filesusr.com/ugd/0047a4_88fbbbf726ba45989b95ba6fd1624bbb.pdf?index=true
  • https://6d706a39-1f93-4f1a-9423-caccf7e65e71.filesusr.com/ugd/69f91f_0db0956b207141ebab40c6c7d7804b78.pdf?index=true
  • http://rezumasalimod.epizy.com/fundus_photography_with_interpretation_report.pdf
  • http://watenumedar.rf.gd/92168030423.pdf
  • https://089130c0-62ae-4bf1-a93c-656440fe8451.filesusr.com/ugd/738632_5f1b1832317845e589bad7171fdc040b.pdf?index=true
  • http://duletufazipup.epizy.com/what_should_endomorphs_do_to_lose_weight.pdf
  • http://wepirizifomonij.epizy.com/72382681200.pdf
  • http://sajojuwew.rf.gd/format_code_intellij_ubuntu.pdf
  • http://xonolori.atwebpages.com/konadisazux.pdf
  • https://ebcfae26-b4e4-4f1a-a5b2-c5bdbddc1bdf.filesusr.com/ugd/259f90_5bf44226095b44a780178deb6bfcc78f.pdf?index=true
  • https://6d428a25-da86-44fa-8f13-5b0f09742281.filesusr.com/ugd/3649d2_1ab88c24f15a409da45533f3ecf5b08a.pdf?index=true
  • https://858e1da1-ad31-4e5b-aec0-89c59c6c71f6.filesusr.com/ugd/6240f8_4ca7ff6fa9154255839c9c2a8c960a50.pdf?index=true
  • https://db6d201d-bdff-4648-9982-d9cfaac7639e.filesusr.com/ugd/98857b_dc255f37afc64c8b9bf615979aa05104.pdf?index=true
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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