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.me/123?keyword=synclastic+and+anticlastic+surface+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375891/normal_5f8ffade86522.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382790/normal_5f91b99253740.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365576/normal_5f88d45063933.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383449/normal_5f8de1361242b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f86f97fec65f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366969/normal_5f8a63b0987b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387826/normal_5f961b538a814.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368962/normal_5f895fae07f47.pdfIn PDF document text
  • https://besavikeneg.weebly.com/uploads/1/3/2/8/132815808/84593.pdfIn PDF document text
  • https://dafebifu.weebly.com/uploads/1/3/4/3/134399244/femevovajawinokef.pdfIn PDF document text
  • https://fixabugodorev.weebly.com/uploads/1/3/1/8/131856934/xetevonizujo-wigolege-muxisawolaf-wepovimifot.pdfIn PDF document text
  • https://vidigesiwixir.weebly.com/uploads/1/3/3/9/133997627/14a08a17aa468.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372376/normal_5f922cea1ac55.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369149/normal_5f89846fd5ccd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f8a07aa6ac5e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381539/normal_5f8d544b857ef.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000088b4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000088b4.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000e7f1.bin)
  • https://s3.amazonaws.com/tetazino/vector_multiplication_example.pdfIn PDF document text
  • https://s3.amazonaws.com/kezemiradigu/92236619914.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisi/scrabble_two_letter_words.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 extracted file (font_00_sfnt_off000088b4.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000c808.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000c808.bin)

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