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/pify?keyword=briggs+%2526+stratton+850+series+190cc+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367644/normal_5f949da14d2bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388178/normal_5f8f5da61d7ca.pdfIn PDF document text
  • https://fidurelofomus.weebly.com/uploads/1/3/0/7/130740547/xenutisavobokujesi.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/sotiro.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/8030446.pdfIn PDF document text
  • https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/9408051.pdfIn PDF document text
  • https://sazaxadapu.weebly.com/uploads/1/3/4/3/134330736/4089711.pdfIn PDF document text
  • https://mesipaku.weebly.com/uploads/1/3/1/3/131383407/mapuv_nozufamufiredin_xerurefuxirin.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/7218716.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007b0d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007b0d.bin)
  • https://s3.amazonaws.com/guwutivupudutu/army_running_cadences.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/business_case_study_sample.pdfIn PDF document text
  • https://s3.amazonaws.com/juduk/middle_east_after_world_war_2.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/15532040314.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/puwepasazowawonana.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2655b06f-a019-47bd-9eb7-76f786263ef2/31545598918.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a1d48b1-bf17-48d5-b3d0-77a32810d8e7/desarrollo_de_un_prisma_hexagonal.pdfIn PDF document text
  • https://s3.amazonaws.com/zepifudoxapo/19632888109.pdfIn PDF document text
  • https://s3.amazonaws.com/petuzutemixuvod/blender_tutorial_2._79.pdfIn PDF document text
  • https://s3.amazonaws.com/juduk/new_budget_2019_in_hindi_download.pdfIn PDF document text
  • https://s3.amazonaws.com/napoledunadigo/wetavuririwivowafito.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_off00007b0d.bin)

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