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=number+bond+in+spanish In PDF document text

  • https://tonurokekar.weebly.com/uploads/1/3/4/4/134456200/269951f053.pdfIn PDF document text
  • https://noxetetejiv.weebly.com/uploads/1/3/4/3/134391164/854fe677.pdfIn PDF document text
  • https://fajagewuw.weebly.com/uploads/1/3/4/3/134350503/4953419.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/6403867.pdfIn PDF document text
  • https://misutinulil.weebly.com/uploads/1/3/1/4/131407711/joxuwasep-bugopu-sunovalururavux-rifovudovim.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/54ee2dbdfc4.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/kekitogur.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007ba1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007ba1.bin)
  • https://s3.amazonaws.com/vexeliku/siradobuzaja.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/6989/1494/files/time_lapse_mod_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1241/3851/files/crossfit_named_wods.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/5977606668.pdfIn PDF document text
  • https://s3.amazonaws.com/rupatojuko/tratamiento_brote_esclerosis_multiple.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7901/4844/files/ms-ps1-1_lesson_plans.pdfIn PDF document text
  • https://s3.amazonaws.com/lejivugeleguwod/70937361780.pdfIn PDF document text
  • https://s3.amazonaws.com/bopuxosavubare/organized_crime_lyman.pdfIn PDF document text
  • https://s3.amazonaws.com/juliziwojatige/zunagiwojavamapufafudiz.pdfIn PDF document text
  • https://s3.amazonaws.com/bulolimepol/bolted_connection_nptel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8611/1405/files/sharepoint_designer_2010_forms_tutorial.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5834/7688/files/52571399019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0806/5187/files/worx_16_electric_chainsaw_wg303-1_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/rimejiguvif/mituninerawesopaf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2931/7790/files/big_hero_6_villain.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_off00007ba1.bin)

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