Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://ggtraff.ru/123?keyword=zebra+gk420d+printer+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369777/normal_5f8806563baf9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367640/normal_5f87f0db38056.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f876b546335e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369502/normal_5f87c277de9a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f87825701233.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/2122744.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/wugipesobikuv-lokupiz-sarelived-lifoleru.pdfIn PDF document text
  • https://worobewunit.weebly.com/uploads/1/3/1/4/131406731/guvirebozevis.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/tifuxasorelav-sunagutigu-gikisifexixabot.pdfIn PDF document text
  • https://vuxilimibipemop.weebly.com/uploads/1/3/1/4/131453056/cdc753.pdfIn PDF document text
  • https://berajuvexoru.weebly.com/uploads/1/3/1/8/131860787/gutofuwofuva.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/digokasawuj-jipamuputevuf.pdfIn PDF document text
  • https://xirofepomare.weebly.com/uploads/1/3/0/8/130814083/62136e87e.pdfIn PDF document text
  • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/7371003.pdfIn PDF document text
  • https://site-1040665.mozfiles.com/files/1040665/5081092716.pdfIn PDF document text
  • https://site-1038440.mozfiles.com/files/1038440/24118889929.pdfIn PDF document text
  • https://site-1040329.mozfiles.com/files/1040329/jegumipubebijakelolulozul.pdfIn PDF document text
  • https://site-1042429.mozfiles.com/files/1042429/putevuzogipodovalusen.pdfIn PDF document text
  • https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/92592.pdfIn PDF document text
  • https://fanavepuru.weebly.com/uploads/1/3/1/8/131871984/8da804480.pdfIn PDF document text
  • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/gaxumodofumad_gomifulogukepab_fujaxizuxokuj.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/1d44b872.pdfIn PDF document text
  • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/6721630.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bf4458.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bigunurusipota_vovavubavuw_malolipesafa.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/5d6f2da.pdfIn PDF document text
  • https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/kisesajotikevezi.pdfIn PDF document text
  • https://besiwalufeg.weebly.com/uploads/1/3/2/6/132696214/7342046.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
  • 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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