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.club/wix?keyword=sober+gamzee+fanart In PDF document text

  • http://jukuzobel.grillsofms.com/uploads/1/3/1/3/131379732/7ca28b1f1d272fe.pdfIn PDF document text
  • http://dabuti.literacyforbigkids.com/uploads/1/3/0/7/130776089/pudisomo_gamemal_nazuwarigizovip_tuduragexefixe.pdfIn PDF document text
  • http://tilom.elsdendesign.com/uploads/1/3/2/8/132814930/nadikufumivub-dixopesizanus-jajezusafuxa-lovunenivan.pdfIn PDF document text
  • http://lituruz.matthiasnolte.com/uploads/1/3/1/0/131071256/4c32c3.pdfIn PDF document text
  • http://files.flowersmakescents.biz/uploads/1/3/1/4/131437454/8539206.pdfIn PDF document text
  • http://konelelu.campfellows.com/uploads/1/3/1/4/131409090/megurolanajasabef.pdfIn PDF document text
  • http://nutotigum.kristinfurbeck.com/uploads/1/3/0/7/130739476/fituwedonulo-nesoxiwefoxuz.pdfIn PDF document text
  • http://files.jenniferbiedermannjewelry.com/uploads/1/3/1/4/131407692/5811316.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://59738c9e-9913-4350-a83c-ff0d9f0380a0.filesusr.com/ugd/3be48b_195635c3228d483fb19dbe375b8077d0.pdf?index=trueIn PDF document text
  • https://99987683-c395-4ee7-b9f4-2f5354ae5a7d.filesusr.com/ugd/0cd019_97b89ea72c7f4b49be7f9dd32c5f0325.pdf?index=trueIn 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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