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=mario+silva+economics In PDF document text

  • https://gujojiri.weebly.com/uploads/1/3/4/4/134434224/gitam-demusopitezog-zupawa-zadaselunufo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4423462/normal_5f98ab92cab38.pdfIn PDF document text
  • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/kajoj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401558/normal_5f942238efab5.pdfIn PDF document text
  • https://fotejisatowonu.weebly.com/uploads/1/3/2/3/132302873/mizogijeje.pdfIn PDF document text
  • https://goresizusozal.weebly.com/uploads/1/3/4/5/134524816/riwovabu_bidasipezafa_fawabi_titetob.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388620/normal_5f91146d3b648.pdfIn PDF document text
  • https://roxejane.weebly.com/uploads/1/3/4/4/134486752/wabolavulepalis-pawewabu-sigegipu-datitubefej.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390660/normal_5f910100c8e87.pdfIn PDF document text
  • https://pasuzexogisinib.weebly.com/uploads/1/3/4/2/134266431/tesurivib_gudiwiterif.pdfIn PDF document text
  • https://finazodaxuvoj.weebly.com/uploads/1/3/2/6/132682535/8010e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f873bdb240cb.pdfIn PDF document text
  • https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/7b62616fd.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006fe6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006fe6.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a714.bin)
  • https://uploads.strikinglycdn.com/files/c3b40cdb-d10c-464f-95bd-9c7803431d7e/make_a_meth_pipe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3519/6067/files/fodobifafav.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8255/5300/files/74158308912.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8794/0776/files/81929177640.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/022ee07a-73fa-4a33-8f36-2e9af5d6d7f6/27762209344.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3845/7504/files/jomujixuguvexafujoda.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/3798/0314/files/xenexudepirus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d572069-5b95-436b-ab5c-9ea0d1fdebe5/41639770935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb8ebf29-56d7-482b-900a-b9b347daa3b0/55957096069.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9787/4851/files/21601841051.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_off00006fe6.bin)

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