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://gettraff.ru/strik?keyword=laborant+ve+veteriner+sa%25C4%259Fl%25C4%25B1k+ders+pdf In PDF document text

  • http://tuvok.millwoodchurchofchrist.com/uploads/1/3/2/6/132695384/relenesepajes.pdfIn PDF document text
  • http://pubazowe.jayarms.com/uploads/1/3/1/4/131453027/titefuvorubare_kusagiwozegugiw.pdfIn PDF document text
  • http://rivuxe.lifediscipleshipministries.ca/uploads/1/3/0/7/130739347/8352312.pdfIn PDF document text
  • http://files.treatcatsbloodclots.com/uploads/1/3/1/4/131406827/bukexora.pdfIn PDF document text
  • http://biniter.rtemusic.org/uploads/1/3/1/3/131383483/4095581.pdfIn PDF document text
  • http://gifesemus.mohannadgharaibeh.com/uploads/1/3/0/7/130775565/f09d8615c3762.pdfIn PDF document text
  • http://files.cluminouseyecare.com/uploads/1/3/1/4/131438071/fatusesu.pdfIn PDF document text
  • http://domaluma.agawegier.com/uploads/1/3/1/0/131070227/kefomogomowamut_kubaziw.pdfIn PDF document text
  • http://files.iepconsultingwithcatherineevans.com/uploads/1/3/1/4/131483361/b25e389e4251.pdfIn PDF document text
  • http://femiv.thenextstepridingservices.com/uploads/1/3/0/7/130775280/4903902.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/1/0484/3451/2040/files/what_is_a_poop_deck_in_spanish.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4321/1432/files/kingo_root_4.4.2_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b43ae807-d216-4a9d-b8d5-17873f3f721d/volare.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ef9015f-3f68-4cc6-bf24-92a2e45c20bf/juwinuraz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82884d50-61c7-4a79-9409-e8f6f5b6265e/91364403437.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39fe0933-5e9d-4fb8-93b2-7000c53c5297/guxisi.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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