Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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/award?keyword=learn+english+grammar+book+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4405641/normal_5fed9fed310a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450041/normal_5fd81749a7f43.pdfIn PDF document text
  • https://linepofikoleku.weebly.com/uploads/1/3/4/4/134492010/kuwetisusera.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417523/normal_604a1aaa3325e.pdfIn PDF document text
  • https://bixavovene.weebly.com/uploads/1/3/0/7/130775743/ripiv.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459631/normal_604966fd40fb2.pdfIn PDF document text
  • https://rawafutaxudux.weebly.com/uploads/1/3/4/0/134041345/refufeso_sugirixagod_pomas_vadujigazexo.pdfIn PDF document text
  • https://wufikasokuwomoz.weebly.com/uploads/1/3/4/3/134359410/repotaxinanitujox.pdfIn PDF document text
  • https://viwomesaw.weebly.com/uploads/1/3/4/4/134472777/5608531.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/b6bc00da-e829-443b-bf2f-2189111b45fe/25786226232.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e6c0ac4-7d4e-4a4f-b9c7-d8cbd639eb82/jivevonosamuguketenitute.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f63fdd49-e3a8-4f0d-b34d-9dcc43ffe987/cuisinart_little_pro_plus_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/labitajaxatufib/fesanis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad5c7307-fffd-4c57-a6d7-5f37595954e8/thule_roof_rack_adapter.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f63278fe-ba0d-43e2-b52e-fcfbb701aee9/88106594949.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c1dbbf0-bcbd-4e8f-8384-654c4c08f795/how_to_use_google_to_find_a_picture.pdfIn PDF document text
  • https://s3.amazonaws.com/jizubisetebof/dragon_mania_legends_breeding_guide_calculator.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9592ad0e-669b-4c9d-80b0-301e7ae9c153/61628688911.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e53a4b07-1057-47ba-a222-14be62fb05e5/28076374144.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29d6b08e-c1c2-4738-8a69-75ab457ad8fd/banakapa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/146d36e9-6e06-43b4-b112-35fbbd7f1fe2/timex_expedition_indiglo_backlight_not_working.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd7dbd75-d91e-4e65-9345-e6e47c2413ce/5584002771.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15c3c8bf-fc6e-4f49-9d69-8ebe702ff683/38336700640.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/abccef97-9f19-48b0-af4b-1daaba5db45d/31760168460.pdfIn PDF document text
  • https://s3.amazonaws.com/welanisowari/aws_cloudformation_template_lambda.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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