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://ttraff.club/pify?keyword=baby+voice+birthday+song+free In PDF document text

  • http://files.historyappreciation.com/uploads/1/3/1/8/131871871/tidunokeme_fedavawofemute.pdfIn PDF document text
  • http://files.streamlineacc.com/uploads/1/3/1/4/131437676/3607112.pdfIn PDF document text
  • http://rexajo.toxmsdt.com/uploads/1/3/2/8/132816042/05b9496a5cae067.pdfIn PDF document text
  • http://files.lakemichigandance.com/uploads/1/3/1/4/131483019/lupivasak-zisof-safunomudidora.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://static.usrfiles.com/ugd/ceb2e8_7aa89f859ea64f889c8408e3aee48bc7.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/36d413_f1edf3b3f11e4eef886e017409261125.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/1b8612_95a7571e223848daac816eb0f686e89e.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/10b11f_9b114f661e19415389a6d118e131a377.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/0fdb6d_63f09738a5a94d70930331c1f7a0f90e.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/bd5c68_c6cf8f81589346c487a9f2728ea44ee7.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b27199_c299f42217ef4f599dab27e3b61ffd58.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/bf57b5_bf26fcf13b6643e691683161e52c5c25.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/defcb2_b5741894d3b64108af8772bc1de7909a.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b98abb_6b50ba5a8b21475d88d85cccc211e59c.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/3be3a7_dca1de80ddd24d98aa87ab3526ca8cbd.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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