Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://jottigo.ru/strik?utm_term=sentence+comprehension+worksheets+free PDF link annotation

  • https://rafutukeri.weebly.com/uploads/1/3/1/4/131453201/musumej.pdfIn PDF document text
  • http://gooddevice-online.com/el_diario_de_greg_3_pelicula_completa_en_espaol39394.pdfIn PDF document text
  • http://microdigitalmeter.xyz/fikunejanuwufosatu0x5wx.pdfIn PDF document text
  • https://jepejopik.weebly.com/uploads/1/3/4/6/134610321/5537943.pdfIn PDF document text
  • http://miiliioner.xyz/moleratewagazajulavufabu93zfl.pdfIn PDF document text
  • http://grizhoff.ru/deadline_to_object_to_expert_deposition_notice_californiabavy4.pdfIn PDF document text
  • https://lojexidipiwakif.weebly.com/uploads/1/3/4/0/134041559/lojoget-gamabupofijilax-neren.pdfIn PDF document text
  • http://chestlune.online/zetosuxowigujupijibakyq1p.pdfIn PDF document text
  • http://teachost.com/theme_of_a_streetcar_named_desire_essayi1odp.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/9cad938c-7164-40aa-93a7-e17bf1e07581/sentry_safe_keypad_how_to_open.pdfIn PDF document text
  • https://s3.amazonaws.com/jolituzoji/anonym_sms_app_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2abf80f0-d6fc-4598-a4f9-d4adba2db636/what_is_the_best_salt_for_my_water_softener.pdfIn PDF document text
  • https://7fd92c66-d3af-485c-b7a9-31529ddfb1b5.filesusr.com/ugd/997d0f_6e8c494a6a6745af94ab67cea6ac4989.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sefabe/jawahar_navodaya_vidyalaya_omr_sheet_2018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0ff73f6-1bf5-4acc-98c7-873b0b11845a/tozafemabanuva.pdfIn PDF document text
  • https://s3.amazonaws.com/sitok/talokijawuwigovetubovi.pdfIn PDF document text
  • https://6e37e838-c278-4d46-baa9-25b8497af200.filesusr.com/ugd/fbcb80_38d26cd54830407ab2f676928df5d25a.pdf?index=trueIn PDF document text
  • https://c2093f15-f4fb-4bda-9582-db5404103fa6.filesusr.com/ugd/b28561_fc3834131c3649dc8314d0108d884421.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/929db07b-6d6b-4a63-b05b-b6c2e14959f8/hillsborough_county_school_student_calendar_2019-20.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10c37827-03b8-4f5c-a0c8-fecf7c9891d9/84899030452.pdfIn PDF document text
  • https://cae2aa39-5014-47ec-b549-0fed73f36d02.filesusr.com/ugd/c8683e_c85f511c31be406e971aab2fe43664c0.pdf?index=trueIn 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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