Malicious PDF — malware analysis report

Heuristics 4

• 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 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=comparing+mitosis+and+meiosis+worksheet+answer In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382407/normal_5f943da2b09e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368756/normal_5f961142706c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f881f7981020.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417988/normal_5f96266d091f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368788/normal_5f8b393109d40.pdfIn PDF document text
  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/gadizalisu-komikukola-dozopunemufag.pdfIn PDF document text
  • https://zavomafig.weebly.com/uploads/1/3/4/3/134356936/6205984.pdfIn PDF document text
  • https://gokipeko.weebly.com/uploads/1/3/4/3/134351508/7293246.pdfIn PDF document text
  • https://redunexodozik.weebly.com/uploads/1/3/0/8/130814050/xutukenog-wabovegenitidod-jedavuzelik.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004a92.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004a92.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00007c91.bin)
  • https://cdn.shopify.com/s/files/1/0498/2167/9771/files/49574715350.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9285/9798/files/sentence_connectors_ssc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/3140/4959/files/bumibofaju.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8208/0956/files/12158601939.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/autophagy_2017.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bfd26039-b058-419c-b1e7-692c2e4fba72/lezesoxawozi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f799a211-3973-4faa-b205-0d2b3ea7dbd9/68388324389.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6689fc4-bb10-4ae2-a774-fc61d4f204a6/lofojukaditaxefaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6cd978e9-7344-44eb-8de7-5a9fc42df5f9/Seriennummer_berprfen_tissot_Uhr.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5422d49-f7d2-4d89-88d2-fb156a19c0ac/gunugabezuvogija.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb5feef9-c1d9-4e53-8582-f9abbc61f142/bibifopu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df9ba56e-2332-4e53-86a3-3e484cdc2e82/dagupelaxanelam.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_off00004a92.bin)

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