Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nipisod.ru/wix?keyword=halliday+fundamentals+of+physics+10e+solutions+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4393181/normal_5fc8d8b61414d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477877/normal_601ca1c0b69db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4494431/normal_60473a2d0b107.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4407299/normal_5fcc1be760462.pdfIn PDF document text
  • http://niburufajanuto.sportsontheweb.net/south_african_road_map_download.pdfIn PDF document text
  • https://cdn.sqhk.co/mulepava/KRxgggj/wojozebevope.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406229/normal_60556cd362fbd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406789/normal_601c8aba4220c.pdfIn PDF document text
  • http://vudifabofugejij.medianewsonline.com/bm._cannot_execute_the_command.pdfIn PDF document text
  • https://cdn.sqhk.co/puxedimuwo/fokhczV/doduzirorejuxako.pdfIn PDF document text
  • http://zovofuti.mygamesonline.org/what_is_color_blindness_in_psychology.pdfIn PDF document text
  • https://cdn.sqhk.co/zogameva/cOE0djg/88609427109.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404285/normal_605d96c42452c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409992/normal_605c97b4a8a3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381528/normal_6045fb248f8d1.pdfIn PDF document text
  • https://cdn.sqhk.co/tefulobesa/EhfGvhg/100_mandala_coloring_pages_for_kindergarten.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/a680b7ae-c65c-452d-a1e5-ff3b4e68ef85/docker_command_to_list_images_in_artifactory.pdfIn PDF document text
  • https://91313464-3f42-441e-b0e8-b27065d471ad.filesusr.com/ugd/ee9d3f_fd2d9f6424ed4766b61d9809b302d06e.pdf?index=trueIn PDF document text
  • https://b4e79a3f-0083-4b26-8056-4fe87fb46dfd.filesusr.com/ugd/332c1b_c2091dedc4a7474b819d58eeae2a43d1.pdf?index=trueIn PDF document text
  • https://b564fea6-732e-489f-a029-a72dc6590de2.filesusr.com/ugd/6a4619_94fffaebef894e86a1f239a183a95460.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae5f92ed-9d84-4703-bdd2-843a8d643685/39139346705.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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