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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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=find+my+phone+android+lenovo In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f88a7549dcbf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366399/normal_5f883ede651f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369311/normal_5f88e69fa5ab3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366993/normal_5f88c77329933.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367313/normal_5f882d7db8dab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366022/normal_5f87349b5aa75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367922/normal_5f88e6925362c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373304/normal_5f89173fa3c3a.pdfIn PDF document text
  • https://jikolugoxolij.weebly.com/uploads/1/3/1/3/131379047/6874716.pdfIn PDF document text
  • https://ranerenonosojib.weebly.com/uploads/1/3/1/4/131483420/fedexi-tarilala-wesamuzuruxav-vugupimusede.pdfIn PDF document text
  • https://durapafived.weebly.com/uploads/1/3/1/4/131438767/wugipuvedixaxej.pdfIn PDF document text
  • https://wopeduvolevim.weebly.com/uploads/1/3/0/7/130776212/moluluxunemolux_witajipupujaru.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/lanadez.pdfIn PDF document text
  • https://zozilevijuni.weebly.com/uploads/1/3/1/3/131383476/d05bcb9f.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/8279107.pdfIn PDF document text
  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/857e5ff12b.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/degudipege_tarisomuzix_favij_sixelikematigab.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/09b03b.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/5100849.pdfIn PDF document text
  • https://dofazodasi.weebly.com/uploads/1/3/0/8/130873943/xakavupanegedo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5853/0966/files/cheap_curly_hair_weave_brands.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6943/8652/files/cinnamon_toast_crunch_bites_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0969/6156/files/seniors_2020_face_mask.pdfIn macro / runtime command snippet
  • https://cdn.shopify.com/s/files/1/0465/2780/7646/files/austin_chinese_church.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
  • https://cdn.shopify.com/s/files/In macro / runtime command snippet
  • http://scripts.sil.org/OFLIn PDF document text

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