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=bland+diet+pdf+canine In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370764/normal_5f883f8f2dd6a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389090/normal_5f8fc0f653714.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388160/normal_5f9187a5e9db8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386839/normal_5f935d25aafea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385410/normal_5f920fa3d6631.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385435/normal_5f9277a5dc117.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f87156fc0d5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366005/normal_5f93cfe23a47f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380887/normal_5f95520f45408.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369647/normal_5f8bdafc23f09.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385415/normal_5f8e240cf0a26.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367310/normal_5f874d4607bae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372378/normal_5f913058f20ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366646/normal_5f8ca43584e9c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381962/normal_5f8df9edc65a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383795/normal_5f955a6d2c58b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000070b0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000070b0.bin)
  • https://cdn.shopify.com/s/files/1/0483/5603/2672/files/strike_force_heroes_2_hacked_unblocked_key_hacks.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0508/4692/4965/files/73235474688.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9363/2190/files/malwarebytes_premium_key_reddit_2018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8819/2687/files/37627163241.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c110ed1b-0be4-476f-b1e1-1a357a9d6245/43649277153.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3dc6539b-e76b-47ca-85cf-5179dee5df3b/3145393258.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15a91961-b13f-48cc-9f6c-7b75e7866cab/barodowesotumevexagofur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c4659f8-6761-4ed0-88cc-7054aabce078/jozaveramakupaz.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_off000070b0.bin)

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