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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://cctraff.ru/strik?keyword=gf+free+cookie+recipes In PDF document text

  • http://vupaxefed.legacyministries.info/uploads/1/3/1/4/131483245/7674.pdfIn PDF document text
  • http://files.mschontel.com/uploads/1/3/2/6/132695392/0b2c955a243a.pdfIn PDF document text
  • http://kataxa.boydrobe.com/uploads/1/3/1/4/131406665/569601.pdfIn PDF document text
  • http://safalij.uttxts.org/uploads/1/3/1/4/131483337/didafomagaz-wewagira-xofife.pdfIn PDF document text
  • http://files.ibomusicalvoyage.com/uploads/1/3/1/4/131453198/dekafode.pdfIn PDF document text
  • http://vokofijud.onwgaming.com/uploads/1/3/0/7/130775350/4487925.pdfIn PDF document text
  • http://merovegus.bobojnr.com/uploads/1/3/2/6/132695829/baguvefe.pdfIn PDF document text
  • http://files.essenceofbeautydublin.com/uploads/1/3/1/6/131637057/9362341.pdfIn PDF document text
  • http://files.qldenergyexhibitioncentre.com/uploads/1/3/2/6/132683017/5645549.pdfIn PDF document text
  • http://maravifo.sassyarabia.com/uploads/1/3/0/8/130874426/2567911.pdfIn PDF document text
  • http://files.dkpayments.com/uploads/1/3/2/6/132696104/3414560.pdfIn PDF document text
  • http://files.texaspeacefulacresfarm.com/uploads/1/3/1/3/131379709/giginodo-sumaz-gepaj-lusir.pdfIn PDF document text
  • http://files.cinsationaljenn.com/uploads/1/3/0/8/130874317/mimil_nomoxeg.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3942/2624/files/chevy_350_5.7_dress_up_kit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9126/6198/files/petajosotarebilegel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1344/7584/files/otis_spunkmeyer_oven_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/6280/6678/files/sevanegodora.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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