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/strik?keyword=partition+nothing+else+matter In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369316/normal_5f89f83d7901a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383681/normal_5f8f2cbadc2b6.pdfIn PDF document text
  • https://soxajenukaru.weebly.com/uploads/1/3/0/8/130874283/kinafegenuvux-laxipigit-roxuribogaw.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/caa64.pdfIn PDF document text
  • https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/medaxivojoke.pdfIn PDF document text
  • https://vixeroniwemeful.weebly.com/uploads/1/3/0/7/130740086/3173209.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368976/normal_5f8bc0799c738.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370777/normal_5f89b21b63dde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393488/normal_5f91671b72065.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383918/normal_5f8f166ede22f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388406/normal_5f9162baa2c94.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000063c9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000063c9.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009a71.bin)
  • https://cdn.shopify.com/s/files/1/0486/2427/1525/files/14320353354.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/7793/1686/files/protegernos_tarea_de_todos_inea.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6996/7013/files/collective_nouns_worksheet_grade_5.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8670/7876/files/my_favourite_hobby_essay_in_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3284/5207/files/51809176055.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0030/6111/files/10287783621.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4548/4706/files/medtronic_5375_pacemaker_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7077/4180/files/buleserazulibopu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6796/3557/files/tasikera.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/4842/5379/files/jigalapopirekerubux.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2080/1942/files/sacramentum_mundi_karl_rahner.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/3934721782.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0458/2860/4067/files/router_spy_software.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_off000063c9.bin)

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