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://cctraff.ru/wb?keyword=100%20embroidery%20stitches%20book%20free%20download%20pdf In PDF document text

  • https://s3.amazonaws.com/kawotexulozax/wrist_arom_exercises.pdfIn PDF document text
  • https://s3.amazonaws.com/daraniwekamidir/importance_of_ornamental_horticulture.pdfIn PDF document text
  • https://sitizoxibe.weebly.com/uploads/1/3/4/3/134317871/vififarufuzaz-rokofarejofokox.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/dafemel.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/zagusogavazimopojeju.pdfIn PDF document text
  • https://s3.amazonaws.com/mujevubutukoxu/16937716700.pdfIn PDF document text
  • https://s3.amazonaws.com/jiguwuzobozobaz/pdf_to_word_converter_arabic_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/actuators_free_download.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000064f1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000064f1.bin)
  • https://uploads.strikinglycdn.com/files/cf06c697-827d-4843-823c-1b649f88169f/polajobidowug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da75a9d9-34bf-4453-9150-67771bdcb1aa/everything_everything_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8bc2311-ea5b-47cf-98ed-6c57bf1df9d2/55935003201.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2064/6048/files/hipaa_guidelines_for_social_media.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4895/8614/files/xizupixezesejuvidu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/0708/6239/files/72631559974.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1135/0439/files/e_typing_club.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1383/2341/files/bibuditafap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6694/5447/files/1508570576.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9445/1387/files/68643018233.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_off000064f1.bin)

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