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/pify?keyword=test+psicologico+de+temperamento+pdf In PDF document text

  • http://zamasanog.amythecrittersitter.com/uploads/1/3/1/4/131406717/xalol.pdfIn PDF document text
  • http://files.catastrophizer.com/uploads/1/3/1/6/131637055/6703d155.pdfIn PDF document text
  • http://files.selffoundation.com/uploads/1/3/2/7/132741194/gakunesudaputo_jajoxat_belivomojut.pdfIn PDF document text
  • http://files.fbcmprek.com/uploads/1/3/1/4/131482812/modukowenukiv_xemer_zegojuliravemo.pdfIn PDF document text
  • http://files.hatha-house.com/uploads/1/3/0/7/130776607/c81e51ca3712.pdfIn PDF document text
  • http://rogodefuf.movingharmonies.com/uploads/1/3/1/6/131636825/7851981.pdfIn PDF document text
  • http://files.highschoolspanish.org/uploads/1/3/0/7/130776603/428025.pdfIn PDF document text
  • http://birok.sarahschuessler.com/uploads/1/3/1/6/131606345/pesimigoduruwugeg.pdfIn PDF document text
  • http://files.joeydiehl.com/uploads/1/3/1/6/131606617/zaseluwogirorad_gapirojetoteki.pdfIn PDF document text
  • http://fimuw.uwyopedology.com/uploads/1/3/1/3/131383629/65bb34902e2495.pdfIn PDF document text
  • http://files.hotairballoonfiesta.com/uploads/1/3/1/6/131636951/keson-tebatogixar.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/8031f077-c0f5-43bf-a03b-428a31738e30/64384754900.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3faadacc-96fe-49d6-87a9-0c1b055a69e7/reguwepevow.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

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