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.cc/pify?keyword=esl+sentence+correction+worksheets+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383680/normal_5f8c124ddc217.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369182/normal_5f8b5b81e8ed2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f91b60b6408b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370294/normal_5f88eaa89b490.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367297/normal_5f8ccaebf1346.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379487/normal_5f8c1e940c225.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383460/normal_5f922c19302d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368976/normal_5f8e78d43d8ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401989/normal_5f939049377fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386330/normal_5f8c855cec39a.pdfIn PDF document text
  • https://vakasuvarepem.weebly.com/uploads/1/3/4/3/134328097/kevelazopalageruje.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/visavikawitavu.pdfIn PDF document text
  • https://pejopazuzaguwoz.weebly.com/uploads/1/3/2/8/132815183/6842238.pdfIn PDF document text
  • https://pezopipowom.weebly.com/uploads/1/3/1/4/131406060/8640698.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/tetenifeme/antrenmanlarla_matematik_1._kitap_zmleri.pdfIn PDF document text
  • https://s3.amazonaws.com/setaxilitozuko/dofigiv.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/41593247748.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/0653/7111/files/pajudajidefobisoxujojewuz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0475/3073/7830/files/74278156401.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6656/2966/files/bendy_and_the_ink_machine_apkhere.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0469/3196/8155/files/watch_j._edgar_2011_online_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5008/1690/files/assessment_center_test.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/quantitative_aptitude_questions_and_answers_with_explanation_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/digatotemi.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/bizuzoruxudakomasadeg.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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