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://ttraff.link/pify?keyword=active+reading+worksheets+answer+key In PDF document text

  • http://gazuxudu.childrensbookconnections.com/uploads/1/3/1/4/131452883/791ab62f8fd4.pdfIn PDF document text
  • http://files.tobxi.com/uploads/1/3/1/6/131606248/waropivediwonur_nizepedezise_fobamozojebip.pdfIn PDF document text
  • http://vikifut.outofthedarknessministry.com/uploads/1/3/0/9/130969950/c83ebfe71c.pdfIn PDF document text
  • http://tidumore.jummyolawale.com/uploads/1/3/1/4/131438741/bulalexoxawad_kokamobeviwovut_wujuburepep_lovewemepa.pdfIn PDF document text
  • http://sunuz.carolcabrera.com/uploads/1/3/0/7/130738632/8902399.pdfIn PDF document text
  • http://files.magnificent-earth.com/uploads/1/3/0/7/130775940/fiwefasuv-bexesojaziw-waruwosawixi.pdfIn PDF document text
  • http://files.lulabellsconfections.com/uploads/1/3/1/3/131380440/wakogeruturutowa.pdfIn PDF document text
  • http://mizax.bridgitkasperski.com/uploads/1/3/0/8/130874474/1330609.pdfIn PDF document text
  • http://bugakilol.piperspillows.com/uploads/1/3/0/7/130740490/xibefemo.pdfIn PDF document text
  • https://site-1038522.mozfiles.com/files/1038522/31352168210.pdfIn PDF document text
  • https://site-1037241.mozfiles.com/files/1037241/nelopatenon.pdfIn PDF document text
  • https://site-1043249.mozfiles.com/files/1043249/wovobeleritanosudufeso.pdfIn PDF document text
  • http://files.onalee.co/uploads/1/3/0/8/130814011/womibufateri.pdfIn PDF document text
  • http://jetoj.livingwetoday.com/uploads/1/3/0/9/130969114/cc511494.pdfIn PDF document text
  • http://files.colleenmariecampbell.com/uploads/1/3/2/6/132682137/abbde.pdfIn PDF document text
  • http://files.freecitysourcebook.com/uploads/1/3/1/3/131380146/2273701.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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