Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ttraff.me/123?keyword=download+apk+firefox+screenshots+beta In PDF document text

  • https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/05209.pdfIn PDF document text
  • https://zekasujiminog.weebly.com/uploads/1/3/4/3/134366003/midurofedilulu-ginokosabu.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/8030446.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/palaj_xofepevez.pdfIn PDF document text
  • https://zilasemewoxuj.weebly.com/uploads/1/3/4/3/134318224/9964117.pdfIn PDF document text
  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/82d55f33e13fe.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/xopevu_vilugarokobijos_fimorekon.pdfIn PDF document text
  • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/rojikobaresixu.pdfIn PDF document text
  • https://ximazula.weebly.com/uploads/1/3/0/7/130738777/womulesiligawiva.pdfIn PDF document text
  • https://zoxipunawogedo.weebly.com/uploads/1/3/4/2/134235683/1386623.pdfIn PDF document text
  • https://tudupumodowi.weebly.com/uploads/1/3/1/4/131406798/fuvivuxedutizi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007592.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007592.bin)
  • https://uploads.strikinglycdn.com/files/32d54335-dfbc-4300-b85e-8f575b2bbf30/wigej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ec105c8-d9c2-479e-aac8-870d1a69d2ff/90725065616.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f0f394d-9aef-41c5-b193-2d880e0e8702/88275055655.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b807d741-919a-47da-931d-0d77c693107c/zisimal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09a97969-5f96-4f4a-91bd-8f761e7e1abb/75036503702.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/search_engine_optimisation_seo.pdfIn PDF document text
  • https://s3.amazonaws.com/belopudevuzuza/rapport_de_stage_biologie_medicale.pdfIn PDF document text
  • https://s3.amazonaws.com/xisefowu/achilles_pain_exercises.pdfIn PDF document text
  • https://s3.amazonaws.com/bededuxotulapil/delegation_of_authority_form.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 extracted file (font_00_sfnt_off00007592.bin)

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