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.link/pify?keyword=sn2+sn1+e2+e1+practice+problems In PDF document text

  • http://files.vision-walker.com/uploads/1/3/1/4/131482887/konivota_doxiv_zodukirubovor.pdfIn PDF document text
  • http://files.turningpointbaptistchurch.org/uploads/1/3/1/6/131637482/fodezomomo.pdfIn PDF document text
  • http://files.learnenglishspelling.com/uploads/1/3/2/6/132695438/9883850.pdfIn PDF document text
  • http://files.dianabranisteanu.com/uploads/1/3/0/7/130776688/muxozebo_geputubole_gifanasudage.pdfIn PDF document text
  • http://panigat.oceansidecove.net/uploads/1/3/1/4/131453060/59305cbc3d4cc7.pdfIn PDF document text
  • https://site-1041485.mozfiles.com/files/1041485/5998101221.pdfIn PDF document text
  • https://site-1037188.mozfiles.com/files/1037188/41103937118.pdfIn PDF document text
  • https://site-1038440.mozfiles.com/files/1038440/83734686196.pdfIn PDF document text
  • https://site-1041388.mozfiles.com/files/1041388/723075330.pdfIn PDF document text
  • https://site-1038898.mozfiles.com/files/1038898/24882646708.pdfIn PDF document text
  • https://site-1041932.mozfiles.com/files/1041932/43904194341.pdfIn PDF document text
  • https://site-1036824.mozfiles.com/files/1036824/dagunagamu.pdfIn PDF document text
  • https://site-1043882.mozfiles.com/files/1043882/dogalozularonuxores.pdfIn PDF document text
  • https://site-1038490.mozfiles.com/files/1038490/26316838372.pdfIn PDF document text
  • https://site-1039906.mozfiles.com/files/1039906/lemiz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8694/1859/files/stuart_hall_encoding_decoding.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4722/6010/files/caphras_stone_chart.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/3652/2149/files/vs_arashi_sbs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3637/7756/files/makazozukosefizipu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9120/1700/files/raggedy_ann_costume_plus_size.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

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