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/pify?keyword=free+easy+addition+worksheets+with+pictures In PDF document text

  • https://site-1041499.mozfiles.com/files/1041499/download_prehistoric_fun_park_mod_apk.pdfIn PDF document text
  • https://site-1043691.mozfiles.com/files/1043691/convert_apk_to_jar_using_dex2jar.pdfIn PDF document text
  • https://site-1038792.mozfiles.com/files/1038792/44115472868.pdfIn PDF document text
  • https://site-1042187.mozfiles.com/files/1042187/83930636624.pdfIn PDF document text
  • https://site-1037276.mozfiles.com/files/1037276/jifuzikumenezavixo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f8715402bff7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365607/normal_5f86fee450c60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366022/normal_5f86f92e98311.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f8729d14b2f4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f87178d402ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366408/normal_5f872b765d278.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/1/0493/8448/9145/files/sophia_normal_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4878/3009/files/veterans_park_milwaukee_history.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/6332/6358/files/walking_with_cavemen_movie_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5767/5431/files/67939567018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/5616/9628/files/92090367544.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a85e2a2-6f74-4bae-8ade-e095df676a62/26478738332.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d973a112-b764-4d23-a763-1da1d125ebb3/39173420510.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b0ab477-0505-44e4-96ee-65877b641d9c/93200006037.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e81f3133-8db1-4c89-8ad1-9656d3513ec6/71586927677.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5edb06a8-ab93-4fe9-9b85-b1252da3a065/sebozupajadenaluvusaweva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9398922-c719-4340-8759-46f9cfa1262e/rumoxukajexapibogexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3241f737-26b8-4983-882a-095be41651ab/35622718010.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1c617c7-e80f-4de2-b3b7-511a9df3a458/xikikosarogewegibomi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5bb723e1-d4b7-4adf-9810-e996cabc059e/kemim.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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