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.me/wix?keyword=opera+omnia+apk+hack In PDF document text

  • http://dawazi.3handstephen.com/uploads/1/3/0/9/130969280/b71c931a.pdfIn PDF document text
  • http://files.scubajohns.com/uploads/1/3/2/8/132815807/3512868.pdfIn PDF document text
  • http://gakel.howegate.co.uk/uploads/1/3/0/8/130874153/c4f7f5f65d5c93.pdfIn PDF document text
  • http://xufatoge.cassandraarthur.com/uploads/1/3/2/3/132303027/wimetisetig.pdfIn PDF document text
  • http://files.spiritualitycircle.com/uploads/1/3/1/4/131453252/9598448.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://3d8ce5be-d460-43d5-89fe-f445e07a0e22.filesusr.com/ugd/0182ef_c19d033ff38248a4b7de0be12384ea11.pdf?index=trueIn PDF document text
  • https://a9443ca7-6edc-4220-bbd0-0b5636439e1e.filesusr.com/ugd/067ecb_39dfa890fc314254be5aa20f24c6121d.pdf?index=trueIn PDF document text
  • https://f9267911-05f0-4980-a6bc-0f6afddccca1.filesusr.com/ugd/bc4951_bfbc2724c89b470286d08d519cfaa9f1.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1653/4690/files/rent_to_own_lease_agreement.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1892/7778/files/xisuretomaviwesofegilu.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://www.gnu.org/licenses/gpl.htmlIn 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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