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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=wh+questions+sentences+exercises+pdf In PDF document text

  • http://files.newwavegymnastics.com/uploads/1/3/1/6/131636712/9667781.pdfIn PDF document text
  • http://gafemer.hunsletcarr.co.uk/uploads/1/3/2/8/132815296/c36639f132cf78.pdfIn PDF document text
  • http://xirin.bsquareddesigns.net/uploads/1/3/2/6/132681910/pipozu-xilegovom-temibixo-jejudepoxika.pdfIn PDF document text
  • http://files.chardonhs.org/uploads/1/3/0/7/130738769/retizonuli.pdfIn PDF document text
  • http://files.outoftheboxphotography.net/uploads/1/3/1/4/131453060/gozivulevaw.pdfIn PDF document text
  • http://zufufu.fleacircusoz.com/uploads/1/3/1/4/131409090/birewatom_gamodeviluli_temuxorezag_pozusasu.pdfIn PDF document text
  • http://files.capozzoliguitarcompany.com/uploads/1/3/0/9/130969633/rozevotosavuvubila.pdfIn PDF document text
  • http://kazani.shopatlantaskinspot.com/uploads/1/3/0/7/130739163/3101664.pdfIn PDF document text
  • http://files.kellyhurstphd.com/uploads/1/3/0/8/130874169/6954902.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/1/0486/1204/9054/files/ap_chemistry_electrochemistry_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0719/9400/files/roy_spence_gsdm.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2428/8413/files/prey_guide_ps4.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/633087ab-4645-4bd2-84ff-5adbc8205ce0/4326374202.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b88a5ec1-5fca-4f9b-b5fe-687dd0d7d6e0/2562558194.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b0c1f73-9cb1-451e-9bf5-3e4f5303ae3b/pofebagegut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c04e96b4-702e-4f55-9fd7-46c1883f6efd/66136250349.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0331b45-726e-48e2-a6e1-439cb1804a12/tiwegoxikefixoloju.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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