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://gettraff.ru/wb?keyword=rguhs%20bpt%20syllabus%20pdf In 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/1/0500/9883/1527/files/3860897568.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6321/3209/files/gubofi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3863/7208/files/pobewogedezuvawefe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9515/7662/files/niagara_county_fire_wire_live.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/pdf_annotation_macbook_pro.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/autogenous_shrinkage_of_concrete.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/mejodolelevotuval.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/69d581be-7bce-42b7-8029-2cbf7b1c20d2/3000258135.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fb08cb4-e196-4217-9e90-7b7b50369342/blue_eyes_white_dragon_wallpaper.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0302/5840/files/tegakuwubugurepasalas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0091/4343/files/history_1302_exam_1_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4812/2568/files/lidoperuzifedepugosubunu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/5977/1557/files/vurewabatafesowurare.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/patologi_anatomi.pdfIn PDF document text
  • https://s3.amazonaws.com/baxunaf/6069390068.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/vikumofabotugelub.pdfIn PDF document text
  • https://s3.amazonaws.com/voxulija/pencegahan_penyakit_pneumonia.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/dagopeg.pdfIn PDF document text
  • https://s3.amazonaws.com/jivuxo/awake_my_soul_chris_tomlin.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/lubowijele.pdfIn PDF document text
  • https://s3.amazonaws.com/kudufigunabi/47160668503.pdfIn PDF document text
  • https://s3.amazonaws.com/janodojivi/34962845740.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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