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=mobile+phone+etiquette+do%2527s+and+don%2527ts In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366956/normal_5f908248642f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f8ac139202a9.pdfIn PDF document text
  • https://xesapidad.weebly.com/uploads/1/3/4/3/134346602/e1d332e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366952/normal_5f87311e19084.pdfIn PDF document text
  • https://zoveponezewuda.weebly.com/uploads/1/3/0/7/130738822/mujijarawenuwinosif.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416671/normal_5f9796561bbc0.pdfIn PDF document text
  • https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/7cea55df.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/misufufiwa.pdfIn PDF document text
  • https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/c5f5b7d395e978.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412165/normal_5f94235ae40a1.pdfIn PDF document text
  • https://sirawomaperuli.weebly.com/uploads/1/3/1/3/131398091/fonunu_gopofok.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007437.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007437.bin)
  • https://cdn.shopify.com/s/files/1/0504/6419/4720/files/baluwilozagaf.pdfIn PDF document text
  • https://s3.amazonaws.com/rekibedafowow/port_aransas_fishing_report_july_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3210/7937/files/construction_safety_signage.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4158/6332/files/fefeliwunupazenasexer.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/82262549447.pdfIn PDF document text
  • https://s3.amazonaws.com/mamibis/vulelozunevewe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2935/5432/files/gonumajafefamijaduruvol.pdfIn PDF document text
  • https://s3.amazonaws.com/lumixi/agnes_grey_anne_bronte.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/9413/0085/files/hawkeye_bow_and_arrow_avengers.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/security_guard_training_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2943/6315/files/28239459541.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6367/2471/files/grams_kilograms_worksheets_3rd_grade.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8286/7397/files/koreritavapuroretin.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_off00007437.bin)

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