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/aws?keyword=navy+career+development+board+questionnaire+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373508/normal_5f92906dace6e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000089e4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000089e4.bin)
  • https://s3.amazonaws.com/lopadivupudexa/smith_and_wesson_model_60_serial_numbers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6413/0726/files/25783360780.pdfIn PDF document text
  • https://s3.amazonaws.com/fonazuzixagizir/island_of_the_blue_dolphins_packet_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/290a55eb-3f2b-422f-9e26-a91c48b4f32b/51771788373.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f4af46e-4295-4161-9eeb-a22f2efede1c/psionic_items_pathfinder.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/ate_ve_su_3_yandex.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8748/5342/files/36861477678.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/34709657286.pdfIn PDF document text
  • https://s3.amazonaws.com/tapexiw/metelavunexi.pdfIn PDF document text
  • https://s3.amazonaws.com/bizamesuwepe/wogirukigasurafud.pdfIn PDF document text
  • https://s3.amazonaws.com/datarofapakil/10343620680.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9613/7111/files/17895701003.pdfIn PDF document text
  • https://s3.amazonaws.com/dobesogum/teaching_aptitude_test_questions_answers_free_download.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_off000089e4.bin)

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