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://ponafet.ru/strik?utm_term=best+c+programming+software+for+windows+10 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4476766/normal_604e84d076862.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391331/normal_6053cbb7a9dab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380867/normal_60262cf877d74.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4448713/normal_601e847fcca95.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4451940/normal_5ff9bba9e2441.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495985/normal_5fe1a179dd0a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381081/normal_602aa4e600986.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477864/normal_60298717956f7.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/d0d79611-f59f-4525-af54-15e5b70c3307/63110639352.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6303c93a-4e7c-41b0-914e-827239aa5642/best_chess_app_for_android_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55221c5e-3f5a-4435-a8be-ed8b43f80322/austroflamm_integra_pellet_stove_insert.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/446eb89b-9051-4bd3-9ce5-64dcb38af097/51630551385.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fc69d74-4475-4b48-adbb-e3c66ae7235a/ponejewibivavi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7de06259-c16a-487a-b902-613882c69cea/reducing_block_diagrams_matlab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1515caab-55ac-46d8-b799-ba5ff62fa62e/bank_plus_open_on_saturday_in_jackson_ms.pdfIn PDF document text
  • https://44407f20-7244-4107-9544-84d8151b6f9a.filesusr.com/ugd/8508de_2d8597e4972a462e8904b6833adf311d.pdf?index=trueIn PDF document text
  • https://8767aa75-4bd5-48c0-94ca-24e983238001.filesusr.com/ugd/debdc1_f4aa93bf3e6b46699a5a3f2a39e2683f.pdf?index=trueIn PDF document text
  • https://720c7b34-a033-4bf0-83ea-6be17de98aa2.filesusr.com/ugd/03ef8e_4de45f04d33f43e28f44d20d6cd74653.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a9ce19a-eb3d-4fc0-9ab4-01a421bf529f/rowalulabipibexuzekolugo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f1d8bb1-a5bb-4eb6-9668-4be04b0ab566/calligraphy_practice_workbook.pdfIn PDF document text
  • https://ebd157e6-94c3-4ff5-b3ab-516f87acbde6.filesusr.com/ugd/e87473_794344abe62348858d1c0211d68082b3.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cd05a7d-4a6e-4ffb-923a-ae32756bc955/45648420425.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2308883f-e23a-420c-ae66-01a2f95d8b2a/chuunibyou_demo_koi_ga_shitai_ova_1.rsz.pdfIn PDF document text
  • https://05b56818-8b0b-4484-a411-4f1234233f1c.filesusr.com/ugd/e49726_f960f64bcae84934a9d1dd73f6ea6cdd.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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