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=query+in+sql+pdf In PDF document text

  • https://s3.amazonaws.com/xovajukoxin/hafele_catalogue_download.pdfIn PDF document text
  • https://s3.amazonaws.com/biwubeleba/93847917548.pdfIn PDF document text
  • https://s3.amazonaws.com/badodemebo/89916171416.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393033/normal_5f96076d0f27d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369923/normal_5f91f4910c9ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370275/normal_5f8bd0b61aa38.pdfIn PDF document text
  • https://s3.amazonaws.com/dutimajizowa/vba_excel_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/vabemavuputenif/journal_of_acidimetry_and_alkalimetry.pdfIn PDF document text
  • https://s3.amazonaws.com/kovilowab/composicion_de_la_placa_bacteriana.pdfIn PDF document text
  • https://s3.amazonaws.com/paxivogedewilu/a_dozen_a_day_book_5.pdfIn PDF document text
  • https://s3.amazonaws.com/jazofi/97715401493.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369332/normal_5f8b47daa12af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375206/normal_5f92707d8bbaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387054/normal_5f91abea0867f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379626/normal_5f961b1ac280e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367624/normal_5f8b2d391973c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000920e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000920e.bin)
  • https://cdn.shopify.com/s/files/1/0430/6301/7629/files/75304338682.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/0744/6687/files/planisphere_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9101/8396/files/kerunafanawuw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2475/6131/files/why_did_renaissance_start_in_italy.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5fbba604-232b-49f9-9838-8860186baafe/53118028266.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87d47847-1302-4666-994c-d3faea377596/83091660046.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56122d59-c1c3-4f2e-91ae-f50cb03b9f4d/1602627703.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a6a45e5-0855-4e44-a158-e132bea17480/vefulapuxesudugizomanuges.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://dejavu.sourceforge.netIn extracted file (stream_007_off0000c94c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_007_off0000c94c.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off0000920e.bin)

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